CVE-2020-1908

Name: CVE-2020-1908
Creator: NVD / NIST
Published: 2020-11-03T20:15:12.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2020-1908 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. Improper authorization of the Screen Lock feature in WhatsApp and WhatsApp Business for iOS prior to v2.20.100 could have permitted use of Siri to interact with the WhatsApp application even after the phone was locked.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

Improper authorization of the Screen Lock feature in WhatsApp and WhatsApp Business for iOS prior to v2.20.100 could have permitted use of Siri to interact with the WhatsApp application even after the phone was locked.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.29%

20.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Whatsapp	Whatsapp	< 2.20.100
Whatsapp	Whatsapp Business	< 2.20.100

References

https://www.whatsapp.com/security/advisories/2020/Vendor Advisory
https://www.whatsapp.com/security/advisories/2020/Vendor Advisory

Timeline

Published: Nov 3, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1908?

How severe is CVE-2020-1908?

CVE-2020-1908 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1908?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1908?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST