CVE-2011-0943 describes a denial-of-service vulnerability affecting Cisco IOS XR versions 3.8.3, 3.8.4, and 3.9.1. An unauthenticated remote attacker can trigger a NetIO process restart or device reload by sending a specially crafted IPv4 packet. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact on availability with low attack complexity and no authentication required. While the vulnerability is significant, there is no evidence of active exploitation, public exploit code, or notable community discussion surrounding it.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.8.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.8.3:*:*:*:*:*:*:* | ||
3.8.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.8.4:*:*:*:*:*:*:* | ||
3.9.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.9.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.