CVEvulnerability
CVE-2021-27216
6.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.3 MEDIUM — AV:L/AC:M/Au:N/C:N/I:C/A:C
- Weaknesses
- CWE-362
Description
Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.
Affected configurations
• exim exim (< 4.94.2)
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt Exploit, Vendor Advisory
- https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt Exploit, Vendor Advisory