// For flags

CVE-2020-3559

Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability

Severity Score

8.6
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.

Una vulnerabilidad en Cisco Aironet Access Point (AP) Software, podría permitir a un atacante remoto no autenticado causar la recarga de un dispositivo afectado. La vulnerabilidad es debido a un manejo inapropiado de los clientes que están intentando conectarse al AP. Un atacante podría explotar esta vulnerabilidad mediante el envío de peticiones de autenticación de varios clientes hacia un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar que el dispositivo afectado se recargue.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2019-12-12 CVE Reserved
  • 2020-09-24 CVE Published
  • 2023-06-10 EPSS Updated
  • 2024-11-13 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
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"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1111-4pwe
Search vendor "Cisco" for product "1111-4pwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1111-8plteeawb
Search vendor "Cisco" for product "1111-8plteeawb"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1111-8pwb
Search vendor "Cisco" for product "1111-8pwb"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1113-8plteeawe
Search vendor "Cisco" for product "1113-8plteeawe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1113-8pmwe
Search vendor "Cisco" for product "1113-8pmwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1113-8pwe
Search vendor "Cisco" for product "1113-8pwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1116-4plteeawe
Search vendor "Cisco" for product "1116-4plteeawe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1116-4pwe
Search vendor "Cisco" for product "1116-4pwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1117-4plteeawe
Search vendor "Cisco" for product "1117-4plteeawe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1117-4pmlteeawe
Search vendor "Cisco" for product "1117-4pmlteeawe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1117-4pmwe
Search vendor "Cisco" for product "1117-4pmwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
1117-4pwe
Search vendor "Cisco" for product "1117-4pwe"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1815
Search vendor "Cisco" for product "Aironet 1815"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1830e
Search vendor "Cisco" for product "Aironet 1830e"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1830i
Search vendor "Cisco" for product "Aironet 1830i"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850e
Search vendor "Cisco" for product "Aironet 1850e"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850i
Search vendor "Cisco" for product "Aironet 1850i"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Business 140ac
Search vendor "Cisco" for product "Business 140ac"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Business 145ac
Search vendor "Cisco" for product "Business 145ac"
--
Safe
Cisco
Search vendor "Cisco"
Wireless Lan Controller
Search vendor "Cisco" for product "Wireless Lan Controller"
>= 8.9 < 8.10.112.0
Search vendor "Cisco" for product "Wireless Lan Controller" and version " >= 8.9 < 8.10.112.0"
-
Affected
in Cisco
Search vendor "Cisco"
Business 240ac
Search vendor "Cisco" for product "Business 240ac"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-40
Search vendor "Cisco" for product "Catalyst 9800-40"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-80
Search vendor "Cisco" for product "Catalyst 9800-80"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-cl
Search vendor "Cisco" for product "Catalyst 9800-cl"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-l
Search vendor "Cisco" for product "Catalyst 9800-l"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-l-c
Search vendor "Cisco" for product "Catalyst 9800-l-c"
--
Safe
Cisco
Search vendor "Cisco"
Access Points
Search vendor "Cisco" for product "Access Points"
< 16.12.4a
Search vendor "Cisco" for product "Access Points" and version " < 16.12.4a"
-
Affected
in Cisco
Search vendor "Cisco"
Catalyst 9800-l-f
Search vendor "Cisco" for product "Catalyst 9800-l-f"
--
Safe
Cisco
Search vendor "Cisco"
Aironet Access Point Software
Search vendor "Cisco" for product "Aironet Access Point Software"
8.5\(151.0\)
Search vendor "Cisco" for product "Aironet Access Point Software" and version "8.5\(151.0\)"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850e
Search vendor "Cisco" for product "Aironet 1850e"
--
Safe
Cisco
Search vendor "Cisco"
Aironet Access Point Software
Search vendor "Cisco" for product "Aironet Access Point Software"
8.5\(151.0\)
Search vendor "Cisco" for product "Aironet Access Point Software" and version "8.5\(151.0\)"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850i
Search vendor "Cisco" for product "Aironet 1850i"
--
Safe
Cisco
Search vendor "Cisco"
Aironet Access Point Software
Search vendor "Cisco" for product "Aironet Access Point Software"
17.2.0.26
Search vendor "Cisco" for product "Aironet Access Point Software" and version "17.2.0.26"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850e
Search vendor "Cisco" for product "Aironet 1850e"
--
Safe
Cisco
Search vendor "Cisco"
Aironet Access Point Software
Search vendor "Cisco" for product "Aironet Access Point Software"
17.2.0.26
Search vendor "Cisco" for product "Aironet Access Point Software" and version "17.2.0.26"
-
Affected
in Cisco
Search vendor "Cisco"
Aironet 1850i
Search vendor "Cisco" for product "Aironet 1850i"
--
Safe
Cisco
Search vendor "Cisco"
Business Access Points
Search vendor "Cisco" for product "Business Access Points"
>= 10.0 < 10.1.1.0
Search vendor "Cisco" for product "Business Access Points" and version " >= 10.0 < 10.1.1.0"
-
Affected