CVE-2022-27240
9.8
CRITICAL
CVSS 3.1
EPSS 0.32%
Description
scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.
How to fix CVE-2022-27240
To remediate CVE-2022-27240, upgrade the affected package to a fixed version below.
- Debian/glewlwyd—upgrade to 2.5.2-2+deb11u3 or later
Is CVE-2022-27240 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.5.2-2+deb11u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |