CVE-2022-27240
CRITICALCVSS 9.8/10EPSS 1.50%
Last modified
CVE-2022-27240 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.
Description
scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Glewlwyd Sso Server Project | Glewlwyd Sso Server | >= 2.0.0, < 2.6.2 |
References
- https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940aPatch, Third Party Advisory
- https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2Release Notes, Third Party Advisory
- https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940aPatch, Third Party Advisory
- https://github.com/babelouest/glewlwyd/releases/tag/v2.6.2Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-27240?
scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.
How severe is CVE-2022-27240?
CVE-2022-27240 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2022-27240?
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-2022-27240?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST