CVE-2020-1909
9.8 · CRITICALOverview
CVE-2020-1909 is a critical-severity vulnerability affecting whatsapp whatsapp. It was published on November 3, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including receiving an animated sticker while placing a WhatsApp video call on hold.
Remediation
Check the references section for vendor advisories and patches from whatsapp. Update whatsapp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| >= 0, < 2.20.111 | Affected | ||
| whatsapp_business | >= 0, < 2.20.111 | Affected |
Frequently Asked Questions
What is CVE-2020-1909?
CVE-2020-1909 is a critical-severity vulnerability affecting whatsapp whatsapp. It was published on November 3, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-1909?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-1909?
Check the references section for vendor advisories and patches from whatsapp. Update whatsapp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-1909?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-1909 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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