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CVE-2011-3309

MEDIUM · CVSS 4.3EPSS 1.1%EU EUVD

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.4 process IKE requests despite a vpnclient mode configuration, which allows remote attackers to obtain potentially sensitive information by reading IKE responder traffic, aka Bug ID CSCtt07749.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE)
CWE-200
EPSS score
1.1% (65th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3273)
Published
May 2, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3273 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / 5500 series adaptive security appliance
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software
  • cisco / adaptive security appliance software

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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