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CVE-2022-26377— mod_proxy_ajp: Possible request smuggling

Quick assessment

Affected
Apache Software Foundation Apache HTTP Server
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server mod_proxy_ajp 存在环境问题漏洞，该漏洞源于请求夹带。

AI Predicted 7.5 Difficulty: Hard EPSS 21.08% · P98
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I. Basic Information for CVE-2022-26377

Vulnerability Information
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Vulnerability Title
mod_proxy_ajp: Possible request smuggling
Source: CVE Program / CVE List V5
Vulnerability Description
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 2.4.53 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Apache HTTP Server 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server mod_proxy_ajp 存在环境问题漏洞，该漏洞源于请求夹带。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache HTTP Server Apache HTTP Server 2.4 ~ 2.4.53 -

II. Public POCs for CVE-2022-26377

# POC Description Source Link Shenlong Link
1 None https://github.com/watchtowrlabs/ibm-qradar-ajp_smuggling_CVE-2022-26377_poc POC Details
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III. Intelligence Information for CVE-2022-26377

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Vendor Advisories for CVE-2022-26377 (3)

Mailing List Discussions for CVE-2022-26377 (3)

Same Patch Batch · Apache Software Foundation · 2022-06-08 · 8 CVEs total

CVE-2022-31813 mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism
CVE-2022-30556 Information Disclosure in mod_lua with websockets
CVE-2022-30522 mod_sed denial of service
CVE-2022-29404 Denial of service in mod_lua r:parsebody
CVE-2022-28615 Read beyond bounds in ap_strcmp_match()
CVE-2022-28614 read beyond bounds via ap_rwrite()
CVE-2022-28330 read beyond bounds in mod_isapi

IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation
Same weakness: CWE-444

V. Comments for CVE-2022-26377

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