CVE-2020-28018
9.8
CRITICAL
CVSS 3.1
EPSS 65.9%
Description
Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
How to fix CVE-2020-28018
To remediate CVE-2020-28018, upgrade the affected package to a fixed version below.
- Debian/exim4—upgrade to 4.94.2-1 or later
Is CVE-2020-28018 being exploited?
Likely — EPSS is 65.9%, placing CVE-2020-28018 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 4.94.2-1
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 |