CVE-2011-3273 describes a memory leak vulnerability in Cisco IOS versions 15.0 through 15.1 when configured with IPS or Zone-Based Firewall. This flaw allows remote attackers to trigger excessive session creation flows, leading to memory consumption or device crashes, effectively causing a denial of service. With a CVSS score of 7.8, it is considered high severity, requiring no authentication and low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:* | ||
15.0mCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0m:*:*:*:*:*:*:* | ||
15.0sgCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0sg:*:*:*:*:*:*:* | ||
15.0xaCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0xa:*:*:*:*:*:*:* | ||
15.0xoCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.0xo:*:*:*:*:*:*:* |
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.