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CVE-2011-3304

HIGH · CVSS 7.8EPSS 2.6%EU EUVD

Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series devices, with software 7.2 before 7.2(5.3), 8.0 before 8.0(5.25), 8.1 before 8.1(2.50), 8.2 before 8.2(5.11), 8.3 before 8.3(2.23), 8.4 before 8.4(2), and 8.5 before 8.5(1.1) allow remote attackers to cause a denial of service (device reload) via crafted MSN Instant Messenger traffic, aka Bug ID CSCtl67486.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-399
EPSS score
2.6% (85th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3268)
Published
October 6, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3268 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
  • 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
  • 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

and 27 more…

References

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

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