CVE-2022-36760 | Apache HTTP Server: mod_proxy_ajp Possible request smuggling

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.54 and prior versions.

Published: 2023-01-17 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-36760 is rated Moderate Risk (64.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.88%). EPSS rose +1.52% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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-2022-36760

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 2026-06-15 0.36% 1.88% +1.52%
2 2026-06-07 0.31% 0.36% +0.05%
3 2026-03-04 — 0.31% —

Full EPSS history (46 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-36760

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H 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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 6.0 [email protected]
9.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H 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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.2 6.0 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-36760

OS Trackers for CVE-2022-36760

vendor priority summary link
alpine — CVE-2022-36760: 1 source package rows (apache2); 7 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 0. https://security.alpinelinux.org/vuln/CVE-2022-36760
debian not yet assigned CVE-2022-36760 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-2022-36760
gentoo low CVE-2022-36760: 1 GLSA(s) (202309-01), 1 atom(s) (www-servers/apache); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-36760
redhat medium — https://access.redhat.com/security/cve/CVE-2022-36760
suse medium CVE-2022-36760 severity moderate: SUSE including 317 source package names (2.8-13.5:apache2-utils-2.4.51-150400.6.6.1, 4.3.4.9.25.2:apache2-2.4.51-150400.6.6.1, …), 595 product×package rows across 89 product lines (Container bci/php-apache, Container suse/manager/4.3/proxy-httpd, … (89 product lines)): Fixed 364, Known Affected 231. https://www.suse.com/security/cve/CVE-2022-36760/
ubuntu medium CVE-2022-36760 medium priority: Ubuntu including 1 source packages (apache2), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 12, needed 1. https://ubuntu.com/security/CVE-2022-36760

Affected software / configurations for CVE-2022-36760

Vendor Product Version Raw CPE
apache http_server >= 2.4.0, < 2.4.55 cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

References for CVE-2022-36760

cvelogic Threat Intelligence