What is CVE-2010-3095?

CVE-2010-3095 is a medium-severity vulnerability in Mailscanner, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2019-11-12.

How severe is CVE-2010-3095?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Mailscanner

CVE-2010-3095

mailscanner before 4.79.11-2.1 might allow local users to overwrite arbitrary files via a symlink attack on certain temporary files. NOTE: this issue exists because of an incomplete fix for CVE-2008-5313.

Published 2019-11-12 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% 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

Mailscanner — versions before 4.79.11-2.1

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

security-tracker.debian.org/tracker/CVE-2010-3095 (Third Party Advisory)
access.redhat.com/security/cve/cve-2010-3095 (Broken Link)
bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
www.openwall.com/lists/oss-security/2010/09/13/9 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2010-3095?: CVE-2010-3095 is a medium-severity vulnerability in Mailscanner, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2019-11-12.
How severe is CVE-2010-3095?: Medium severity. CVSS v3 base score is 4.7 out of 10.