CVE-2020-28014

exim4: Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges

CVE-2020-28014 is fixed in 6 products on 1 platform, first by exim4 4.90.1-1ubuntu1.8, released May 4, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0094
61st percentile

Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten.

Where it's fixed

ProductFixed inFixReleased
Linux
exim4 · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 exim4 4.90.1-1ubuntu1.8 May 4, 2021
exim4 · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 exim4 4.93-13ubuntu1.5 May 4, 2021
exim4-base · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 exim4-base 4.90.1-1ubuntu1.8 May 4, 2021
exim4-base · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 exim4-base 4.93-13ubuntu1.5 May 4, 2021
exim4-config · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 exim4-config 4.90.1-1ubuntu1.8 May 4, 2021
exim4-config · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 exim4-config 4.93-13ubuntu1.5 May 4, 2021
exim4-daemon-heavy · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 exim4-daemon-heavy 4.90.1-1ubuntu1.8 May 4, 2021
exim4-daemon-heavy · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 exim4-daemon-heavy 4.93-13ubuntu1.5 May 4, 2021
exim4-daemon-light · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 exim4-daemon-light 4.90.1-1ubuntu1.8 May 4, 2021
exim4-daemon-light · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 exim4-daemon-light 4.93-13ubuntu1.5 May 4, 2021
eximon4 · Ubuntu 18.04.6 LTS (bionic) 4.90.1-1ubuntu1.8 eximon4 4.90.1-1ubuntu1.8 May 4, 2021
eximon4 · Ubuntu 20.04 LTS (focal) 4.93-13ubuntu1.5 eximon4 4.93-13ubuntu1.5 May 4, 2021