CVE-2025-52691
CRITICALCVSS v3
10
CRITICAL
EPSS Score
78.4%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Technical Details
- Published
- 12/29/2025
Frequently Asked Questions
What is CVE-2025-52691?
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.
Is CVE-2025-52691 actively exploited?
Active exploitation of CVE-2025-52691 has not been confirmed. The EPSS score is 78.4%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-52691?
CVE-2025-52691 has a CVSS v3 base score of 10 (CRITICAL severity).
Is CVE-2025-52691 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.