What is CVE-2020-5753?

CVE-2020-5753 is a medium-severity vulnerability in Signal Private_messenger, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.3/10. Published 2020-05-20.

How severe is CVE-2020-5753?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Signal Private_messenger

CVE-2020-5753

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.

EPSS: 0.011 (60.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Signal Private_messenger
Signal
N/a Signal Private Messenger — versions Android versions v4.59.0 and up, iOS versions v3.8.1.5 and up

Weakness classification (CWE)

CWE-670 — Always-Incorrect Control Flow Implementation

References

vulnreport@tenable.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-5753?: CVE-2020-5753 is a medium-severity vulnerability in Signal Private_messenger, classified under Always-Incorrect Control Flow Implementation. CVSS score: 5.3/10. Published 2020-05-20.
How severe is CVE-2020-5753?: Medium severity. CVSS v3 base score is 5.3 out of 10.