CVE-2019-1910 describes a denial-of-service vulnerability in Cisco IOS XR Software's Intermediate System-to-Intermediate System (IS-IS) routing protocol implementation, affecting both 32-bit and 64-bit versions prior to Release 6.6.3. An unauthenticated attacker within the same IS-IS area can exploit this by sending crafted link-state PDUs, causing all routers in the area to restart their IS-IS process. This vulnerability has a CVSS score of 7.4 (High), indicating a network-adjacent attack vector with low complexity and a high impact on availability. 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 |
|---|---|---|---|
< 6.6.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* | ||
7.0.1CPE matchmatch criteria | cpe:2.3:a:cisco:carrier_routing_system:7.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.