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CVE-2020-1891
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,…
Critical9.8EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.5% · top 26% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
- affected 2.20.17
- affected unspecified – < 2.20.17
Facebook · WhatsApp Business for Android
- affected 2.20.7
- affected unspecified – < 2.20.7
- affected 2.20.20
- affected unspecified – < 2.20.20
Facebook · WhatsApp Business for iPhone
- affected 2.20.20
- affected unspecified – < 2.20.20
References (1)
- https://www.whatsapp.com/security/advisories/2020 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-1891)Record last updated .