CVE-2021-24027: facebook whatsapp business for android
CVSS: 7.5v3.1HighModified
Published 06-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24027 is a high (CVSS 7.5) vulnerability in facebook whatsapp business for android. EPSS estimates a 3.81% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
3.81%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
3.81%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.81% on 20-09-2026
20-09-202620-10-2026
EPSS score3.81%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Facebook2 products
- whatsapp business for androidv2.21.4.18
- whatsapp for android≥ unspecified, < v2.21.4.18
Whatsapp2 products
- whatsapp< 2.21.4.18
- whatsapp_business< 2.21.4.18
2 vendors · 4 products