Resource exhaustion in Facebook Whatsapp For iOS

CVE-2020-1901

Receiving a large text message containing URLs in WhatsApp for iOS prior to v2.20.91.4 could have caused the application to freeze while processing the message.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

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:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% 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-2020-1901: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-1901?
CVE-2020-1901 is a medium-severity vulnerability in Facebook Whatsapp For iOS, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2020-10-06.
How severe is CVE-2020-1901?
Medium severity. CVSS v3 base score is 5.3 out of 10.