CVE-2020-5753

5.3 mediumEPSS 1.1%

Medium (5.3) in signal. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-670
Published: 2020-05-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

signal:private_messenger
signal:signal

References

https://www.tenable.com/security/research/tra-2020-33
https://www.tenable.com/security/research/tra-2020-33

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