Home/CVE/Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle request
CVE

CVE-2021-37148

Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle request

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.

HIGH · CVSS 7.5 EPSS 0.01363
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 <= 8.1.2
apache traffic server>= 9.0.0 and <= 9.0.1
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 NVD03 Nov 2021 · 04:15 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/k01797hyncx53659wr3o72s5cvkc3164Mailing ListPatchVendor Advisory
https://www.debian.org/security/2022/dsa-5153Third Party Advisory
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