CVE-2011-4022
The sensor in Cisco Intrusion Prevention System (IPS) 7.0 and 7.1 allows remote attackers to...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4022- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4022- Updated
- 2026-11-02
EUVDEUVD-2011-3975 No score
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.
- Record
EUVD-2011-3975- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q6pw-prgw-qpmh No score
The sensor in Cisco Intrusion Prevention System (IPS) 7.0 and 7.1 allows remote attackers to...
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.
- Record
GHSA-q6pw-prgw-qpmh- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4022 is a medium vulnerability (CVSS 5.0) in Cisco Intrusion Prevention System, published May 3, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. No source names a fixed version.