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CVE-2021-27216

6.3 mediumEPSS 1.0%

Medium (6.3) in exim exim. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.3 medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE
CWE-362
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON