CVE-2011-4022 describes a denial-of-service vulnerability affecting Cisco Intrusion Prevention System (IPS) versions 7.0 and 7.1. Remote attackers can exploit this by exceeding authentication attempt limits, leading to file-handle exhaustion and a mainApp hang on the sensor. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having a low attack complexity, but only resulting in partial availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:a:cisco:intrusion_prevention_system:7.0:*:*:*:*:*:*:* | ||
7.1CPE matchmatch criteria | cpe:2.3:a:cisco:intrusion_prevention_system:7.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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.
Remediation records are not available for this CVE.