Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
SmarterMailSmarterMail versions Build 9406 and earlier–CNA

Scores by source

CSA (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refcsa.gov.sg/alerts-and-advisories/alerts/al-2025-124exploitgithub.com/watchtowrlabs/watchTowr-vs-SmarterMail-CVE-2025-52691?ref=labs.watchtowr.comrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-52691kevcisa.gov/known-exploited-vulnerabilities-catalog