CVE-2020-12823
openconnect - security update
9.8
CRITICAL
CVSS 3.1
EPSS 1.9%
Description
OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.
How to fix CVE-2020-12823
To remediate CVE-2020-12823, upgrade the affected package to a fixed version below.
- Debian/openconnect—upgrade to 8.10-1 or later
- —upgrade to 6.00-2+deb8u2 or later
Is CVE-2020-12823 being exploited?
Low — EPSS is 1.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.10-1
- from 0, < 6.00-2+deb8u2
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 |