Home/CVE/Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send inva
CVE

CVE-2021-44040

Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send inva

Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.

HIGH · CVSS 7.5 EPSS 0.02606
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
CWE-20Improper Input Validation
▤

Affected Products & Versions

3
apache traffic server>= 8.0.0 and <= 8.1.3
apache traffic server>= 9.0.0 and <= 9.1.1
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Mar 2022 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6Mailing ListVendor Advisory
https://www.debian.org/security/2022/dsa-5153Third Party Advisory
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