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CVE-2012-4098

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote...

5.0 Medium

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Exploit likelihood

2.40%Up 1.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Record
CVE-2012-4098
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Record
CVE-2012-4098
Updated
2026-11-02
EUVDEUVD-2012-4042 No score

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Record
EUVD-2012-4042
Updated
2026-11-03
GitHub AdvisoriesGHSA-252x-53mm-q5hm No score

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote...

The BGP implementation in Cisco NX-OS does not properly filter AS paths, which allows remote attackers to cause a denial of service (BGP service reset and resync) via a malformed UPDATE message, aka Bug ID CSCtn13055.

Record
GHSA-252x-53mm-q5hm
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-4098 is a medium vulnerability (CVSS 5.0) in Cisco Nx-os, published October 5, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.40%, the 84th percentile. No source names a fixed version.

References

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