What is CVE-2017-6731?

CVE-2017-6731 is a high-severity vulnerability in Cisco Ios_xr, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-07-10.

How severe is CVE-2017-6731?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Cisco Ios_xr

CVE-2017-6731

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…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (71.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Ios_xr — versions 4.3.2.mcast, 6.0.2.base
N/a Cisco Ios Xr — versions Cisco IOS XR

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2017-6731?: CVE-2017-6731 is a high-severity vulnerability in Cisco Ios_xr, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-07-10.
How severe is CVE-2017-6731?: High severity. CVSS v3 base score is 7.5 out of 10.