CVE-2020-1901
MEDIUMCVSS 5.3/10EPSS 1.01%
Last modified
CVE-2020-1901 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| < 2.20.91.4 |
References
- https://www.whatsapp.com/security/advisories/2020/Vendor Advisory
- https://www.whatsapp.com/security/advisories/2020/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-1901?
CVE-2020-1901 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2020-1901?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-1901?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST