CVE-2020-28021 Affecting exim4 package, versions <4.89-2+deb9u8
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.25% (65th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN9-EXIM4-1279439
- published 5 May 2021
- disclosed 6 May 2021
Introduced: 5 May 2021
CVE-2020-28021 Open this link in a new tabHow to fix?
Upgrade Debian:9
exim4
to version 4.89-2+deb9u8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exim4
package and not the exim4
package as distributed by Debian
.
See How to fix?
for Debian:9
relevant fixed versions and status.
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.