Vulnerability in Phpmassmail Eversync
CVE-2018-25164
EverSync 0.5 contains an arbitrary file download vulnerability that allows unauthenticated attackers to access sensitive files by requesting them directly from the files directory. Attackers can send GET requests to the files directory to download database files like db.sq3 containing application data and credentials.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Phpmassmail Eversync — versions 0.5
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45868 (exploit)
- www.vulncheck.com/advisories/eversync-arbitrary-file-download-via-files-directo… (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25164?
- CVE-2018-25164 is a high-severity vulnerability in Phpmassmail Eversync, classified under Files or Directories Accessible to External Parties. CVSS score: 7.5/10. Published 2026-03-06.
- How severe is CVE-2018-25164?
- High severity. CVSS v3 base score is 7.5 out of 10.