CVE-2013-1241

Name: CVE-2013-1241
Creator: NVD / NIST
Published: 2013-05-08T12:09:33.697+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.46%

Last modified Jun 16, 2026

CVE-2013-1241 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.46%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Cisco	Ios	All versions
Cisco	1921 Integrated Services Router	All versions
Cisco	1941 Integrated Services Router	All versions
Cisco	1941w Integrated Services Router	All versions
Cisco	2901 Integrated Services Router	All versions
Cisco	2911 Integrated Services Router	All versions
Cisco	2921 Integrated Services Router	All versions
Cisco	2951 Integrated Services Router	All versions
Cisco	3925 Integrated Services Router	All versions
Cisco	3925e Integrated Services Router	All versions
Cisco	3945 Integrated Services Router	All versions
Cisco	3945e Integrated Services Router	All versions
Cisco	861 Integrated Services Router	All versions
Cisco	867 Integrated Services Router	All versions
Cisco	880 3g Integrated Services Router	All versions
Cisco	881 Integrated Services Router	All versions
Cisco	886 Integrated Services Router	All versions
Cisco	886va-W Integrated Services Router	All versions
Cisco	886va Integrated Services Router	All versions
Cisco	887 Integrated Services Router	All versions
Cisco	887v Integrated Services Router	All versions
Cisco	887va-W Integrated Services Router	All versions
Cisco	887va Integrated Services Router	All versions
Cisco	888 Integrated Services Router	All versions
Cisco	891 Integrated Services Router	All versions
Cisco	892 Integrated Services Router	All versions
Cisco	C881w Integrated Services Router	All versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1241Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1241Vendor Advisory

Timeline

Published: May 8, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-1241?

How severe is CVE-2013-1241?

Severity scoring for CVE-2013-1241 is pending analysis. The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.

How do I fix CVE-2013-1241?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-1241?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST