synced 14 MIN AGO
01 Record

CVE-2020-1894

A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to

UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A stack write overflow in WhatsApp for Android prior to v2.20.35, WhatsApp Business for Android prior to v2.20.20, WhatsApp for iPhone prior to v2.20.30, and WhatsApp Business for iPhone prior to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.75% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 77.4% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-09-03 21:10Z6 YR AGO
Last updated
2024-08-04 06:53Z2 YR AGO
Reserved
2019-12-02
Assigning CNA
facebook
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
e7a426a9eccfdc26704c1fb1a78c322fc8d7e556dd88baa892014c715d8ef8ce

05 Affected products

VendorProductVersionsPlatforms
FacebookWhatsApp Android2.20.35, < 2.20.35—
FacebookWhatsApp Business for Android2.20.20, < 2.20.20—
FacebookWhatsApp iPhone2.20.30, < 2.20.30—
FacebookWhatsApp Business for iPhone2.20.30, < 2.20.30—

06 References