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CVE-2013-1241

MEDIUM · CVSS 6.3EPSS 1.5%EU EUVD

The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header packets, which allows remote authenticated users to cause a denial of service (module reload) via a series of malformed packets, aka Bug ID CSCub92025.

Key facts

CVSS score
6.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:S/C:N/I:N/A:C
Weakness (CWE)
CWE-287
EPSS score
1.5% (74th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2013-1281)
Published
May 8, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1281 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / 1921 integrated services router
  • cisco / 1941 integrated services router
  • cisco / 1941w integrated services router
  • cisco / 2901 integrated services router
  • cisco / 2911 integrated services router
  • cisco / 2921 integrated services router
  • cisco / 2951 integrated services router
  • cisco / 3925 integrated services router
  • cisco / 3925e integrated services router
  • cisco / 3945 integrated services router
  • cisco / 3945e integrated services router
  • cisco / 861 integrated services router
  • cisco / 867 integrated services router
  • cisco / 880 3g integrated services router
  • cisco / 881 integrated services router
  • cisco / 886 integrated services router
  • cisco / 886va integrated services router
  • cisco / 886va-w integrated services router
  • cisco / 887 integrated services router
  • cisco / 887v integrated services router
  • cisco / 887va integrated services router
  • cisco / 887va-w integrated services router
  • cisco / 888 integrated services router
  • cisco / 891 integrated services router
  • cisco / 892 integrated services router
  • cisco / c881w integrated services router
  • cisco / ios

References

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

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