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Unrated severityNVD Advisory· Published Sep 27, 2012· Updated Jun 16, 2026

CVE-2012-4617

CVE-2012-4617

Description

The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.

AI Insight

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

Affected products

12
  • Cisco Systems, Inc./Cisco iOS2 versions
    cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*
    • (no CPE)range: 15.2
  • Cisco Systems, Inc./iOS Xe3 versions
    cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:3.5.1s:*:*:*:*:*:*:*
    • (no CPE)range: <3.5.2S
  • Cisco Systems, Inc./iOS Xr7 versions
    cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:cisco:ios_xr:4.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.1.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.1.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.2.0:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xr:4.2.2:*:*:*:*:*:*:*
    • (no CPE)range: 4.1.0 through 4.2.2

Patches

Vulnerability mechanics

References

3

News mentions

0

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