What’s Vulnerable › Vulnerabilities

CVE-2012-4098

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-10-05 · updated 2026-06-16
• Weakness: CWE-20

Description

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.

Affected products

• Cisco NX-OS: all versions

References

• http://osvdb.org/98129
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4098
• https://exchange.xforce.ibmcloud.com/vulnerabilities/87675
• http://osvdb.org/98129
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4098
• https://exchange.xforce.ibmcloud.com/vulnerabilities/87675

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