What is CVE-2018-14023?

CVE-2018-14023 is a medium-severity vulnerability in Signal Signal-Desktop, classified under Information Disclosure. CVSS score: 4.0/10. Published 2018-08-20.

How severe is CVE-2018-14023?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Information disclosure in Signal Signal-Desktop

CVE-2018-14023

Open Whisper Signal (aka Signal-Desktop) before 1.15.0-beta.10 allows information leakage.

Vulnerability class: Information Disclosure

Published 2018-08-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Signal Signal-Desktop — versions 1.15.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

n0sign4l.blogspot.com/2018/08/advisory-id-n0sign4l-002-risk-level-4-5.html (Exploit, Third Party Advisory)
www.youtube.com/watch (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-14023?: CVE-2018-14023 is a medium-severity vulnerability in Signal Signal-Desktop, classified under Information Disclosure. CVSS score: 4.0/10. Published 2018-08-20.
How severe is CVE-2018-14023?: Medium severity. CVSS v3 base score is 4.0 out of 10.