CVE-2025-65082 | Apache HTTP Server: CGI environment variable override

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.

Published: 2025-12-05 Last update: 2025-12-10 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-65082 is rated Low Risk (38/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.14%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-65082

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-02 0.16% 0.14% -0.01%
2 2026-02-11 0.15% 0.16% +0.01%
3 2026-01-28 — 0.15% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-65082

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 2.5 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-65082

OS Trackers for CVE-2025-65082

vendor priority summary link
alpine — CVE-2025-65082: 1 source package rows (apache2); 5 state rows across 5 repos (3.20-main, 3.21-main, 3.22-main, 3.23-main, edge-main); fixed 5, open 0. https://security.alpinelinux.org/vuln/CVE-2025-65082
debian not yet assigned CVE-2025-65082 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-65082
redhat medium — https://access.redhat.com/security/cve/CVE-2025-65082
suse medium CVE-2025-65082 severity moderate: SUSE including 318 source package names (2.1.3-4.26:wpa_supplicant-2.10-5.1, 2.1.3-4.27:wpa_supplicant-2.10-5.1, …), 534 product×package rows across 95 product lines (Container suse/manager/4.3/proxy-httpd, Container suse/manager/5.0/x86_64/proxy-httpd, … (95 product lines)): Fixed 295, Known Affected 231, First Fixed 7, Known Not Affected 1. https://www.suse.com/security/cve/CVE-2025-65082/
ubuntu low CVE-2025-65082 low priority: Ubuntu including 1 source packages (apache2), 9 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): needs-triage 4, released 4, ignored 1. https://ubuntu.com/security/CVE-2025-65082

Affected software / configurations for CVE-2025-65082

Vendor Product Version Raw CPE
apache http_server >= 2.4.0, < 2.4.66 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

References for CVE-2025-65082

cvelogic Threat Intelligence