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Unrated severityNVD Advisory· Published May 8, 2013· Updated Jun 16, 2026

CVE-2013-1241

CVE-2013-1241

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

28
  • Cisco Systems, Inc./1921 Integrated Services Router
    cpe:2.3:h:cisco:1921_integrated_services_router:-:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Integrated Services Routers Generation 221 versions
    cpe:2.3:h:cisco:1941_integrated_services_router:-:*:*:*:*:*:*:*+ 20 more
    • cpe:2.3:h:cisco:1941_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:1941w_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:2901_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:2911_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:2921_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:2951_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:3925e_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:3925_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:3945_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:861_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:867_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:886va_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:886va-w_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:887_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:887va_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:887va-w_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:887v_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:888_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:891_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:892_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:c881w_integrated_services_router:-:*:*:*:*:*:*:*
  • Cisco Systems, Inc./881 Integrated Services Router2 versions
    cpe:2.3:h:cisco:3945e_integrated_services_router:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:cisco:3945e_integrated_services_router:-:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:881_integrated_services_router:-:*:*:*:*:*:*:*
  • Cisco Systems, Inc./880 3g Integrated Services Router
    cpe:2.3:h:cisco:880_3g_integrated_services_router:-:*:*:*:*:*:*:*
  • Cisco Systems, Inc./886 Integrated Services Router
    cpe:2.3:h:cisco:886_integrated_services_router:-:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Cisco iOS2 versions
    cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:cisco:ios:-:*:*:*:*:*:*:*
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

0

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