Auth bypass in Cisco Intrusion Prevention System

CVE-2011-4022

The sensor in Cisco Intrusion Prevention System (IPS) 7.0 and 7.1 allows remote attackers to cause a denial of service (file-handle exhaustion and mainApp hang) by making authentication attempts that exceed the configured limit, aka Bug ID CSCto51204.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.013 (70.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2011-4022: held from 0.014 to 0.013.

EPSS over last 30 days · oldest: 0.014 · newest: 0.013 · change: -0.000

Affected products

Weakness classification (CWE)

References