Is CVE-2020-1909 in the CISA KEV catalog?

No. CVE-2020-1909 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1909?

CVE-2020-1909 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-1909?

CVE-2020-1909 has an EPSS score of 2.25% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1909?

Upgrade whatsapp to 2.20.111 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-1909

CRITICALEPSS 81th pctl

9.8

CVSS v3

NVD

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.

CWE-416Use After Free

How to fix

Remediation Available

whatsappNVD

Affected:< 2.20.111Fixed in:2.20.111CVE-2020-1909derived from NVD

whatsapp businessNVD

Affected:< 2.20.111Fixed in:2.20.111CVE-2020-1909derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.25%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Vendor Advisory1

whatsapp.com

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

Embed a live status badge for CVE-2020-1909

Markdown

[![CVE-2020-1909](https://tridentstack.com/cve/badge/CVE-2020-1909.svg)](https://tridentstack.com/cve/CVE-2020-1909)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-1909"><img src="https://tridentstack.com/cve/badge/CVE-2020-1909.svg" alt="CVE-2020-1909"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.