CVE-2021-20220

unknown
Published 2021-06-16 · Modified 2024-02-17
CVSS v3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v2
VIR risk

Description

HTTP request smuggling in Undertow

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-20220

OS impact

OSVersionStatusFixed in
debian debianforkyfixed2.2.0-1
debian debiansidfixed2.2.0-1

Package impact

EcosystemPackageVulnerableFixed
java Mavenio.undertow:undertow-core>=2.1.0,<2.1.62.1.6
java Mavenio.undertow:undertow-core<2.0.342.0.34

References

Verify integrity in audit chain (admin only). AS-IS.