Auth bypass in Facebook Whatsapp Business For iOS

CVE-2020-1908

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-1908: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1908?
CVE-2020-1908 is a medium-severity vulnerability in Facebook Whatsapp Business For iOS, classified under Improper Authorization. CVSS score: 4.6/10. Published 2020-11-03.
How severe is CVE-2020-1908?
Medium severity. CVSS v3 base score is 4.6 out of 10.