Paper/Archive/CVE-2020-28026

CVE-2020-28026

mitre — Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status N…

EPSS 9%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 95.4.954 × 2019.1 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refexim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt