CVE-2019-16027 describes a denial-of-service vulnerability in Cisco IOS XR Software's IS-IS routing protocol implementation. An authenticated, remote attacker can exploit this by sending a crafted SNMP request for specific Object Identifiers (OIDs), causing the IS-IS process to crash. This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity, requiring low privileges, and leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.3.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:4.3.2:*:*:*:*:*:*:* | ||
5.2.5CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:5.2.5:*:*:*:*:*:*:* | ||
6.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.2.2:*:*:*:*:*:*:* | ||
6.2.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.2.3:*:*:*:*:*:*:* | ||
6.2.25CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:6.2.25:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.