Improper input validation in Apache Traffic Server
CVE-2021-44040
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.020 (80.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Apache Traffic Server
- Apache Software Foundation Traffic Server — versions 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
References
- lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 (Mailing List, Vendor Advisory)
- www.debian.org/security/2022/dsa-5153 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-44040?
- CVE-2021-44040 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-03-23.
- How severe is CVE-2021-44040?
- High severity. CVSS v3 base score is 7.5 out of 10.