Published: 06/05/2021 Updated: 12/07/2022

CVSS v2 Base Score: 5.6 | Impact Score: 7.8 | Exploitability Score: 3.9

CVSS v3 Base Score: 6.1 | Impact Score: 4.2 | Exploitability Score: 1.8

VMScore: 498

Vector: AV:L/AC:L/Au:N/C:N/I:P/A:C

Exim 4 prior to 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.

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exim exim

The Qualys Research Labs reported several vulnerabilities in Exim, a mail transport agent, which could result in local privilege escalation and remote code execution Details can be found in the Qualys advisory at wwwqualyscom/2021/05/04/21nails/21nailstxt For the stable distribution (buster), these problems have been fixed in version 4 ...

Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem (CVE-2020-28007) Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim oper ...

A security issue has been found in Exim before version 4942 that allows for arbitrary PID file creation ...

CWE-269 https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28014-PIDFP.txt https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4912

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CVE-2020-28014

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