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Status published
High
CVE-2021-44040
HTTP request line fuzzing attacks
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Apache Traffic Server would like to thank Bahruz Jabiyev, Steven Sprecher and Kaan Onarlioglu for reporting these issues. We used his tool t-reqs (https://github.com/bahruzjabiyev/t-reqs-http-fuzzer) for discovering them.
References
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Affected Vendor
Apache Software Foundation
View all reports →Affected Software
Apache Traffic Server
Vulnerable Versions:
8.0.0 to 8.1.3 and 9.0.0 to 9.1.1
Timeline
Official Publish:
March 23rd, 2022
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N