CVE-2020-5753 — MEDIUM (5.3)

Q: How severe is CVE-2020-5753?

CVE-2020-5753 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-5753?

Check the references section above for vendor advisories and patch information. Affected products include: Signal Private Messenger, Signal Signal.

Vulnerability 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.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Signal	Private Messenger	<= 4.59.0
Signal	Signal	<= 3.8.1.5

Related Weaknesses (CWE)

CWE-670

References

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

FAQ

What is CVE-2020-5753?

CVE-2020-5753 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...

How severe is CVE-2020-5753?

CVE-2020-5753 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-5753?

Check the references section above for vendor advisories and patch information. Affected products include: Signal Private Messenger, Signal Signal.