CVE-2013-1241
The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-1241- CVSS 2.0
- 6.3 Medium
AV:N/AC:M/Au:S/C:N/I:N/A:C - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-1241- Updated
- 2026-11-02
EUVDEUVD-2013-1281 No score
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.
- Record
EUVD-2013-1281- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-57m6-vp8v-97x6 No score
The ISM module in Cisco IOS on ISR G2 routers does not properly handle authentication-header...
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.
- Record
GHSA-57m6-vp8v-97x6- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
- cisco ios
- 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
Show 15 moreShow less
- 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-w integrated services router
- cisco 886va integrated services router
- cisco 887 integrated services router
- cisco 887v integrated services router
- cisco 887va-w integrated services router
- cisco 887va integrated services router
- cisco 888 integrated services router
- cisco 891 integrated services router
- cisco 892 integrated services router
- cisco c881w integrated services router
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-1241 is a medium vulnerability (CVSS 6.3) in Cisco Ios, published May 8, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. No source names a fixed version.