Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-37148— Request Smuggling - transfer encoding validation

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 存在安全漏洞，该漏洞源于程序没有对标头进行正确解析。以下产品及版本受到影响：Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1。

AI Predicted 7.5 Difficulty: Easy EPSS 2.51% · P83

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-37148

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Request Smuggling - transfer encoding validation
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Traffic Server 输入验证错误漏洞
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 存在安全漏洞，该漏洞源于程序没有对标头进行正确解析。以下产品及版本受到影响：Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1。
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 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1 -

II. Public POCs for CVE-2021-37148

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-37148

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-37148 (1)

Mailing List Discussions for CVE-2021-37148 (1)

Same Patch Batch · Apache Software Foundation · 2021-11-03 · 6 CVEs total

CVE-2021-37147 Request Smuggling - LF line ending
CVE-2021-37149 Request Smuggling - multiple attacks
CVE-2021-38161 Not validating origin TLS certificate
CVE-2021-41585 ATS stops accepting connections on FreeBSD
CVE-2021-43082 heap-buffer-overflow with stats-over-http plugin

IV. Related Vulnerabilities

Same product: Apache Traffic Server
Same vendor: Apache Software Foundation
Same weakness: CWE-20

V. Comments for CVE-2021-37148

No comments yet

Leave a comment