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TI-2020-04681 Aliases CVE-2020-5753GHSA-cqgm-mqmr-px3p

Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote…

Priority LOW 26CWE-670Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01102 65th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Signal Private MessengerAndroid versions v4.59.0 and up, iOS versions v3.8.1.5 and up—No fix listedCNA
  • Signal Private Messenger Vendor— Affected Android versions v4.59.0 and up, iOS versions v3.8.1.5 and up Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:*up to 4.59.0VulnerableSignal
cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:*up to 3.8.1.5VulnerableSignal
  • cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:* Versions up to 4.59.0 Vulnerable ·Signal
  • cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:* Versions up to 3.8.1.5 Vulnerable ·Signal

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5753
  2. 2026-10-03 Alias added: GHSA-cqgm-mqmr-px3p

References

Advisory 1

  • TI-2019-12817 The WebRTC component in the Signal Private Messenger application through 4.47.7 for… CVSS 3.1CRITICAL 9.8
  • TI-2019-12816 The Signal Private Messenger application before 4.47.7 for Android allows a caller to… CVSS 3.1HIGH 7.5
  • TI-2019-07336 Open Whisper Signal (aka Signal-Desktop) through 1.23.1 and the Signal Private Messenger… CVSS 3.0MEDIUM 6.5
  • TI-2018-02956 Information disclosure in Signal CVSS 3.1MEDIUM 4.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences