CVE-2021-44040 json
HTTP request line fuzzing attacks
published 4y ago modified 4mo ago also EUVD-2021-30899
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- trafficserver Debian 12 9.1.2+ds-1
debian advisories DEBIAN-CVE-2021-44040
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Check with FencerExploit prediction
1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Apache Software Foundation Apache Traffic Server
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
debian.org
/security/2022/dsa-5153
vendor-advisory, third-party-advisory
-
lists.apache.org
/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6
mailing-list, vendor-advisory
Sources
- CVE List CVE-2021-44040
- NVD CVE-2021-44040
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