VULNERABILITY INTELLIGENCE
CVE-2020-5753
CVSS score5.3 MEDIUM
EPSS probability1.10%
CISA KEVNot currently listed
Published2020-05-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Description
Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote non-contact to ring a victim's Signal phone and disclose currently used DNS server due to ICE Candidate handling before call is answered or declined.
Weakness classification
- nvd@nist.gov: CWE-670
Primary references
- vulnreport@tenable.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory