CVE-2020-28026
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.
Published
2021-05-06T13:15:09.777
Last Modified
2024-11-21T05:22:14.077
Status
Modified
Source
[email protected]
Severity
CVSSv3.1: 9.8 (CRITICAL)
CVSSv2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
- Access Vector: NETWORK
- Access Complexity: MEDIUM
- Authentication: NONE
- Confidentiality Impact: COMPLETE
- Integrity Impact: COMPLETE
- Availability Impact: COMPLETE
Exploitability Score
8.6
Impact Score
10.0
Weaknesses
-
Type: Primary
NVD-CWE-Other
Affected Vendors & Products
| Type |
Vendor |
Product |
Version/Range |
Vulnerable? |
| Application |
exim
|
exim
|
< 4.94.2 |
Yes
|
References