vulnerability
Ubuntu: (Multiple Advisories) (CVE-2020-28021): Exim vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | May 4, 2021 | May 5, 2021 | Mar 27, 2026 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
May 4, 2021
Added
May 5, 2021
Modified
Mar 27, 2026
Description
Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.
Solutions
ubuntu-upgrade-exim4-baseubuntu-upgrade-exim4-daemon-heavyubuntu-upgrade-exim4-daemon-light
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