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Unrated severityNVD Advisory· Published May 3, 2012· Updated Jun 16, 2026

CVE-2011-4022

CVE-2011-4022

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Cisco Systems, Inc./Intrusion Prevention System3 versions
    cpe:2.3:a:cisco:intrusion_prevention_system:7.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:cisco:intrusion_prevention_system:7.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:intrusion_prevention_system:7.1:*:*:*:*:*:*:*
    • (no CPE)range: 7.0, 7.1

Patches

Vulnerability mechanics

References

1

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