Name: CVE-2021-27216: Concurrent Execution using Shared Resource with Improper Synchronization
Published: 2021-05-06T00:00:00.000Z
Keywords: CVE, CVE-2021-27216, CWE-362, CVSS 6.3, EPSS 0.00976

Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.

CVSS Details

CVSS 3.1 Base Score: 6.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	View advisory ↗View advisory ↗	alpine-linux-upgrade-exim	Aug 22, 2024	May 6, 2021
Amazon_linux	—	amazon-linux-upgrade-exim	Aug 5, 2022	May 4, 2021
Debian	View advisory ↗	debian-upgrade-exim4	Jul 30, 2024	May 6, 2021
Exim	View advisory ↗View advisory ↗	exim-upgrade-latest	May 13, 2021	May 6, 2021
Gentoo Linux	View advisory ↗	gentoo-linux-upgrade-mail-mta-exim	May 5, 2021	May 4, 2021
Ubuntu	View advisory ↗	ubuntu-pro-upgrade-exim4-baseubuntu-pro-upgrade-exim4-daemon-heavyubuntu-pro-upgrade-exim4-daemon-lightubuntu-upgrade-exim4-baseubuntu-upgrade-exim4-daemon-heavyubuntu-upgrade-exim4-daemon-light	May 5, 2021	May 4, 2021

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