CVE-2021-38161
HIGHCVSS 8.1/10EPSS 1.89%
Last modified
CVE-2021-38161 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.
Description
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Traffic Server | >= 8.0.0, <= 8.0.8 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164Mailing List, Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5153Third Party Advisory
- https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164Mailing List, Patch, Vendor Advisory
- https://www.debian.org/security/2022/dsa-5153Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38161?
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.
How severe is CVE-2021-38161?
CVE-2021-38161 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38161?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-38161?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST