CVE-2020-13956

medium
Published 2021-06-03 · Modified 2026-02-04
CVSS v3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v2
VIR risk
5.5

Description

Cross-site scripting in Apache HttpClient

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2022-1860.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2022-1861.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-13956

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2022:1860

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2022:1861

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-13956.html

OS impact

OSVersionStatusFixed in
arch archfixed3.8.1-1
suse slesaffected
rockylinux rocky8fixed
debian debianbookwormfixed4.5.13-1
debian debianbullseyefixed4.5.13-1
debian debianforkyfixed4.5.13-1
debian debiansidfixed4.5.13-1
debian debiantrixiefixed4.5.13-1

Package impact

EcosystemPackageVulnerableFixed
java Mavenorg.apache.httpcomponents:httpclient<4.5.134.5.13
java Mavenorg.apache.httpcomponents:httpclient>=5.0.0,<5.0.35.0.3

References

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