What is CVE-2020-15047?

CVE-2020-15047 is a medium-severity vulnerability in Trojita Project, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2020-06-25.

How severe is CVE-2020-15047?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Trojita Project

CVE-2020-15047

MSA/SMTP.cpp in Trojita before 0.8 ignores certificate-verification errors, which allows man-in-the-middle attackers to spoof SMTP servers.

Vulnerability class: Improper Certificate Validation

Published 2020-06-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Trojita Project

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

gerrit.vesnicky.cesnet.cz/r/1035 (Patch, Third Party Advisory)
bugs.kde.org/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-15047?: CVE-2020-15047 is a medium-severity vulnerability in Trojita Project, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2020-06-25.
How severe is CVE-2020-15047?: Medium severity. CVSS v3 base score is 5.9 out of 10.