CVE-2011-0945 is a memory leak vulnerability in the Data-link switching (DLSw) feature of Cisco IOS and IOS XE, specifically when implemented over Fast Sequence Transport (FST). This flaw allows remote attackers to cause a denial of service, leading to device reloads or hangs, by sending a specially crafted IP protocol 91 packet. With a CVSS score of 7.8 (High), it has a low attack complexity and requires no authentication, resulting in a complete loss of availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1:*:*:*:*:*:*:* | ||
12.1tCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1t:*:*:*:*:*:*:* | ||
12.1xiCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1xi:*:*:*:*:*:*:* | ||
12.1xjCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1xj:*:*:*:*:*:*:* | ||
12.1xlCPE matchmatch criteria | cpe:2.3:o:cisco:ios:12.1xl:*:*:*:*:*:*:* |
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.