CVE-2017-6731 describes a vulnerability in Cisco IOS XR Software's Multicast Source Discovery Protocol (MSDP) ingress packet processing. An unauthenticated, remote attacker can exploit this to reset an MSDP session, leading to a brief denial of service. With a CVSS v3 score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with no user interaction, resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.3.2.mcastCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:4.3.2.mcast:*:*:*:*:*:*:* | ||
6.0.2.baseCPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.0.2.base:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.