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High severity7.5NVD Advisory· Published Jul 10, 2017· Updated Jun 17, 2026

CVE-2017-6731

CVE-2017-6731

Description

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.

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Affected products

2
  • Cisco Systems, Inc./iOS Xr2 versions
    cpe:2.3:o:cisco:ios_xr:4.3.2.mcast:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:cisco:ios_xr:4.3.2.mcast:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:6.0.2.base:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

News mentions

0

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