Auth bypass in Cisco 1921 Integrated Services Router
CVE-2013-1241
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.3 (Medium). Vector: AV:N/AC:M/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.015 (73.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
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 3925e Integrated Services Router
- Cisco 3925 Integrated Services Router
- Cisco 3945e Integrated Services Router
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1241 (vendor-advisory, Vendor Advisory)