CVE-2020-28023
7.5
HIGH
CVSS 3.1
EPSS 3.0%
Description
Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.
How to fix CVE-2020-28023
To remediate CVE-2020-28023, upgrade the affected package to a fixed version below.
- Debian/exim4—upgrade to 4.94.2-1 or later
Is CVE-2020-28023 being exploited?
Low — EPSS is 3.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.94.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |