CVE-2020-28026
Last modified
CVE-2020-28026 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 9.29% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Exim | Exim | >= 4.00, < 4.94.2 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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