9.8

CVE-2020-1891: facebook whatsapp android Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
Published 03-09-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1891 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in facebook whatsapp android. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.49%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-09-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A user controlled parameter used in video call in WhatsApp for Android prior to v2.20.17, WhatsApp Business for Android prior to v2.20.7, WhatsApp for iPhone prior to v2.20.20, and WhatsApp Business for iPhone prior to v2.20.20 could have allowed an out-of-bounds write on 32-bit devices.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.49%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Facebook4 products
Whatsapp2 products

2 vendors · 6 products

References

1 links