CVE-2020-7043
9.1
CRITICAL
CVSS 3.1
EPSS 2.4%
Description
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.
How to fix CVE-2020-7043
To remediate CVE-2020-7043, upgrade the affected package to a fixed version below.
- Debian/openfortivpn—upgrade to 1.12.0-1 or later
Is CVE-2020-7043 being exploited?
Low — EPSS is 2.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.12.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |