What is CVE-2016-1000033?

CVE-2016-1000033 is a low-severity vulnerability in GNOME Shotwell, classified under Improper Certificate Validation. CVSS score: 3.7/10. Published 2016-10-25.

How severe is CVE-2016-1000033?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in GNOME Shotwell

CVE-2016-1000033

Shotwell version 0.22.0 (and possibly other versions) is vulnerable to a TLS/SSL certification validation flaw resulting in a potential for man in the middle attacks.

Vulnerability class: Improper Certificate Validation

Published 2016-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.1% 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: 0.009 · change: +0.000

Affected products

GNOME Shotwell — versions 0.22.0
Red Hat Enterprise Linux — versions 7.0

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

bugzilla.gnome.org/show_bug.cgi (Issue Tracking)

Frequently asked questions

What is CVE-2016-1000033?: CVE-2016-1000033 is a low-severity vulnerability in GNOME Shotwell, classified under Improper Certificate Validation. CVSS score: 3.7/10. Published 2016-10-25.
How severe is CVE-2016-1000033?: Low severity. CVSS v3 base score is 3.7 out of 10.