CVE-2021-36377
HIGHCVSS 7.5/10EPSS 0.57%
Last modified
CVE-2021-36377 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fossil-Scm | Fossil | < 2.14.2 |
| Fossil-Scm | Fossil | >= 2.15.0, < 2.15.2 |
| Fedoraproject | Fedora | 34 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36377?
Fossil before 2.14.2 and 2.15.x before 2.15.2 often skips the hostname check during TLS certificate validation.
How severe is CVE-2021-36377?
CVE-2021-36377 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36377?
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-2021-36377?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST