What is CVE-2019-3685?

CVE-2019-3685 is a high-severity vulnerability in Open Build Service, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2019-11-05.

How severe is CVE-2019-3685?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Open Build Service

CVE-2019-3685

Open Build Service before version 0.165.4 diddn't validate TLS certificates for HTTPS connections with the osc client binary

Vulnerability class: Improper Certificate Validation

Published 2019-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Open Build Service — versions unspecified
openSUSE Open Build Service

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

bugzilla.suse.com/show_bug.cgi (Exploit, Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-3685?: CVE-2019-3685 is a high-severity vulnerability in Open Build Service, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2019-11-05.
How severe is CVE-2019-3685?: High severity. CVSS v3 base score is 7.4 out of 10.