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CVE-2022-31813— mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism

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 存在数据伪造问题漏洞，该漏洞源于 mod_proxy 的 X-Forwarded-For 逐跳机制丢弃。

AI Predicted 7.4 Difficulty: Easy EPSS 3.54% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31813

Vulnerability Information
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Vulnerability Title
mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism
Source: CVE Program / CVE List V5
Vulnerability Description
Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based authentication on the origin server/application.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用不可信的源
Source: CVE Program / CVE List V5
Vulnerability Title
Apache HTTP Server 数据伪造问题漏洞
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 存在数据伪造问题漏洞，该漏洞源于 mod_proxy 的 X-Forwarded-For 逐跳机制丢弃。
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-2022-31813

# POC Description Source Link Shenlong Link
1 tester for cve-2022-31813 https://github.com/dodiorne/cve-2022-31813 POC Details
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III. Intelligence Information for CVE-2022-31813

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Vendor Advisories for CVE-2022-31813 (3)

Mailing List Discussions for CVE-2022-31813 (3)

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

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
CVE-2022-26377 mod_proxy_ajp: Possible request smuggling

IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation
Same weakness: CWE-348

V. Comments for CVE-2022-31813

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