CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2020-28026
Critical (9.8) in exim exim. EPSS 9.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 9.3% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-11-01)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- exim:exim