// For flags

CVE-2020-3232

Cisco ASR 920 Series Aggregation Services Router Model 12SZ-IM SNMP Denial of Service Vulnerability

Severity Score

7.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability in the Simple Network Management Protocol (SNMP) implementation in Cisco ASR 920 Series Aggregation Services Router model ASR920-12SZ-IM could allow an authenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect handling of data that is returned for Cisco Discovery Protocol queries to SNMP. An attacker could exploit this vulnerability by sending a request for Cisco Discovery Protocol information by using SNMP. An exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

Una vulnerabilidad en la implementación de Simple Network Management Protocol (SNMP) en Cisco ASR 920 Series Aggregation Services Router modelo ASR920-12SZ-IM, podría permitir a un atacante remoto autenticado causar que el dispositivo se vuelva a cargar. La vulnerabilidad es debido al manejo incorrecto de los datos que se devuelven para las consultas de Cisco Discovery Protocol a SNMP. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición de información del Protocolo de descubrimiento de Cisco mediante SNMP. Una explotación podría permitir al atacante causar que el dispositivo afectado se vuelva a cargar, resultando en una condición de denegación de servicio (DoS).

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-12-12 CVE Reserved
  • 2020-06-03 CVE Published
  • 2024-02-01 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-19: Data Processing Errors
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.0s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.0s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.16.1as
Search vendor "Cisco" for product "Ios Xe" and version "3.16.1as"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.16.2as
Search vendor "Cisco" for product "Ios Xe" and version "3.16.2as"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.16.3as
Search vendor "Cisco" for product "Ios Xe" and version "3.16.3as"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.16.4bs
Search vendor "Cisco" for product "Ios Xe" and version "3.16.4bs"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.4s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.4s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
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Ios Xe
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3.16.5as
Search vendor "Cisco" for product "Ios Xe" and version "3.16.5as"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
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Ios Xe
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3.16.5s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.5s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.6bs
Search vendor "Cisco" for product "Ios Xe" and version "3.16.6bs"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.6s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.6s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.16.7bs
Search vendor "Cisco" for product "Ios Xe" and version "3.16.7bs"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.7s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.7s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
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Ios Xe
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3.16.8s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.8s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
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Ios Xe
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3.16.9s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.9s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.16.10s
Search vendor "Cisco" for product "Ios Xe" and version "3.16.10s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.17.0s
Search vendor "Cisco" for product "Ios Xe" and version "3.17.0s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.17.1s
Search vendor "Cisco" for product "Ios Xe" and version "3.17.1s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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3.17.2s
Search vendor "Cisco" for product "Ios Xe" and version "3.17.2s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.17.3s
Search vendor "Cisco" for product "Ios Xe" and version "3.17.3s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.17.4s
Search vendor "Cisco" for product "Ios Xe" and version "3.17.4s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.0s
Search vendor "Cisco" for product "Ios Xe" and version "3.18.0s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.0sp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.0sp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.1gsp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.1gsp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.1hsp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.1hsp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.1isp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.1isp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.1s
Search vendor "Cisco" for product "Ios Xe" and version "3.18.1s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.1sp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.1sp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.2s
Search vendor "Cisco" for product "Ios Xe" and version "3.18.2s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.2sp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.2sp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.3s
Search vendor "Cisco" for product "Ios Xe" and version "3.18.3s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.3sp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.3sp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.4s
Search vendor "Cisco" for product "Ios Xe" and version "3.18.4s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
3.18.4sp
Search vendor "Cisco" for product "Ios Xe" and version "3.18.4sp"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.3.10
Search vendor "Cisco" for product "Ios Xe" and version "16.3.10"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.5.1
Search vendor "Cisco" for product "Ios Xe" and version "16.5.1"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.5.2
Search vendor "Cisco" for product "Ios Xe" and version "16.5.2"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.5.3
Search vendor "Cisco" for product "Ios Xe" and version "16.5.3"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.6.1
Search vendor "Cisco" for product "Ios Xe" and version "16.6.1"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.6.2
Search vendor "Cisco" for product "Ios Xe" and version "16.6.2"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.6.3
Search vendor "Cisco" for product "Ios Xe" and version "16.6.3"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.6.4
Search vendor "Cisco" for product "Ios Xe" and version "16.6.4"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.7.1
Search vendor "Cisco" for product "Ios Xe" and version "16.7.1"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.7.2
Search vendor "Cisco" for product "Ios Xe" and version "16.7.2"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.7.3
Search vendor "Cisco" for product "Ios Xe" and version "16.7.3"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
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Ios Xe
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16.8.1
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-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1a
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-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1b
Search vendor "Cisco" for product "Ios Xe" and version "16.8.1b"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1c
Search vendor "Cisco" for product "Ios Xe" and version "16.8.1c"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1d
Search vendor "Cisco" for product "Ios Xe" and version "16.8.1d"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1e
Search vendor "Cisco" for product "Ios Xe" and version "16.8.1e"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.8.1s
Search vendor "Cisco" for product "Ios Xe" and version "16.8.1s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.9.1
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.9.1a
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1a"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.9.1b
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1b"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.9.1c
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1c"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
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16.9.1d
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1d"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe
Cisco
Search vendor "Cisco"
Ios Xe
Search vendor "Cisco" for product "Ios Xe"
16.9.1s
Search vendor "Cisco" for product "Ios Xe" and version "16.9.1s"
-
Affected
in Cisco
Search vendor "Cisco"
Asr 920-12sz-im
Search vendor "Cisco" for product "Asr 920-12sz-im"
--
Safe