Auth bypass in Apache Traffic Server
CVE-2021-44759
Improper Authentication vulnerability in TLS origin validation of Apache Traffic Server allows an attacker to create a man in the middle attack. This issue affects Apache Traffic Server 8.0.0 to 8.1.0.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Apache Traffic Server
- Apache Software Foundation Traffic Server — versions 8.0.0 to 8.1.0
- 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-2021-44759?
- CVE-2021-44759 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Authentication. CVSS score: 8.1/10. Published 2022-03-23.
- How severe is CVE-2021-44759?
- High severity. CVSS v3 base score is 8.1 out of 10.