// For flags

CVE-2017-6731

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A vulnerability in Multicast Source Discovery Protocol (MSDP) ingress packet processing for Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the MSDP session to be unexpectedly reset, causing a short denial of service (DoS) condition. The MSDP session will restart within a few seconds. More Information: CSCvd94828. Known Affected Releases: 4.3.2.MCAST 6.0.2.BASE. Known Fixed Releases: 6.3.1.19i.MCAST 6.2.3.1i.MCAST 6.2.2.17i.MCAST 6.1.4.12i.MCAST.

Una vulnerabilidad en el procesamiento de paquetes entrantes Multicast Source Discovery Protocol (MSDP) en Cisco IOS XR Software podría permitir que un atacante remoto sin autenticar provoque que la sesión MSDP se reinicie inesperadamente, provocando una corta condición de denegación de servicio (DoS). La sesión MSDP se reiniciará en unos pocos segundos. Más información: CSCvd94828. Versiones afectadas conocidas: 4.3.2.MCAST 6.0.2.BASE. Versiones corregidas conocidas: 6.3.1.19i.MCAST 6.2.3.1i.MCAST 6.2.2.17i.MCAST 6.1.4.12i.MCAST.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-03-09 CVE Reserved
  • 2017-07-10 CVE Published
  • 2023-05-20 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
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 Xr
Search vendor "Cisco" for product "Ios Xr"
 4.3.2.mcast
Search vendor "Cisco" for product "Ios Xr" and version "4.3.2.mcast"
-
Affected
Cisco
Search vendor "Cisco"
 Ios Xr
Search vendor "Cisco" for product "Ios Xr"
 6.0.2.base
Search vendor "Cisco" for product "Ios Xr" and version "6.0.2.base"
-
Affected