CVE-2020-28026

CRITICAL

9.8

Description

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/6/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

exim:exim

References

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt(cve@mitre.org)

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.