CVE-2025-65082

Apache HTTP Server: CGI environment variable override

At a glance

Severity: MEDIUM 6.5
EPSS: EPSS 0.81 % · percentile 57 (2026-10-27)
State: PUBLISHED
Published: 2025-12-05
Updated: 2025-12-05
Assigner: apache
NVD status: Analyzed

Description

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs. This issue affects Apache HTTP Server from 2.4.0 through 2.4.65. Users are recommended to upgrade to version 2.4.66 which fixes the issue.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	CISA-ADP
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-150

European references

ENISA EUVD · EUVD-2025-201404
GCVE · GCVE-0-2025-65082

CERT-FR advisories

CERTFR-2026-AVI-0355 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
CERTFR-2026-AVI-0199 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2025-AVI-1082 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
CERTFR-2025-AVI-1071 — Multiples vulnérabilités dans Apache HTTP Server · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* ≥ 2.4.0 < 2.4.66

Affected products

Product	Versions
Apache Software Foundation · Apache HTTP Server	affected 2.4.0 ≤ 2.4.65

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD