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CVE-2024-56202— Apache Traffic Server: Expect header field can unreasonably retain resource

Quick assessment

Affected
Apache Software Foundation Apache Traffic Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Traffic Server（ATS）是美国阿帕奇（Apache）基金会的一套可扩展的HTTP代理和缓存服务器。 Apache Traffic Server 9.0.0至9.2.8版本和10.0.0至10.0.3版本存在安全漏洞，该漏洞源于预期行为违规。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.87% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-56202

Vulnerability Information
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Vulnerability Title
Apache Traffic Server: Expect header field can unreasonably retain resource
Source: CVE Program / CVE List V5
Vulnerability Description
Expected Behavior Violation vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.8, from 10.0.0 through 10.0.3. Users are recommended to upgrade to versions 9.2.9 or 10.0.4 or newer, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
预期行为违背
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Traffic Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Traffic Server（ATS）是美国阿帕奇（Apache）基金会的一套可扩展的HTTP代理和缓存服务器。 Apache Traffic Server 9.0.0至9.2.8版本和10.0.0至10.0.3版本存在安全漏洞，该漏洞源于预期行为违规。
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 Traffic Server 9.0.0 ~ 9.2.8 -

II. Public POCs for CVE-2024-56202

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III. Intelligence Information for CVE-2024-56202

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Mailing List Discussions for CVE-2024-56202 (1)

Same Patch Batch · Apache Software Foundation · 2025-03-06 · 4 CVEs total

CVE-2024-38311 Apache Traffic Server: Request smuggling via pipelining after a chunked message body
CVE-2024-56195 Apache Traffic Server: Intercept plugins are not access controlled
CVE-2024-56196 Apache Traffic Server: ACL is not fully compatible with older versions

IV. Related Vulnerabilities

Same product: Apache Traffic Server
Same vendor: Apache Software Foundation
Same weakness: CWE-440

V. Comments for CVE-2024-56202

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