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TI-2021-06351 Aliases CVE-2021-24035GHSA-rrv8-x3gg-xhjg

Path traversal in Meta WhatsApp Business for Android

Priority MEDIUM 42CWE-23Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.

Why it matters now

EPSS 0.01134 66th percentileScored 2026-11-07
Fix Fixed WhatsApp Business for Android (Facebook): v2.21.8.13WhatsApp for Android (Facebook): v2.21.8.13

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MetaWhatsApp Business for Androidbefore v2.21.8.13v2.21.8.13Patch availableCNA
MetaWhatsApp for Androidbefore v2.21.8.13v2.21.8.13Patch availableCNA
  • WhatsApp Business for Android VendorMeta Affected before v2.21.8.13 Fixed in v2.21.8.13 Patch available CNA
  • WhatsApp for Android VendorMeta Affected before v2.21.8.13 Fixed in v2.21.8.13 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:-:android:*:*before 2.21.8.13VulnerableWhatsApp
cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:*before 2.21.8.13VulnerableWhatsApp
  • cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:-:android:*:* Versions before 2.21.8.13 Vulnerable ·WhatsApp
  • cpe:2.3:a:whatsapp:whatsapp_business:*:*:*:*:*:android:*:* Versions before 2.21.8.13 Vulnerable ·WhatsApp

Remediation

  • Fix · CNA WhatsApp Business for Android (Facebook) Fixed in v2.21.8.13
  • Fix · CNA WhatsApp for Android (Facebook) Fixed in v2.21.8.13

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24035
  2. 2026-10-03 Alias added: GHSA-rrv8-x3gg-xhjg

References

  • TI-2025-34861 Deserialization of untrusted data in Meta react-server-dom-webpack KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-02633 Heap-based buffer overflow in Meta WhatsApp for Android KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-13416 Cross-site scripting in Meta WhatsApp Desktop KEVCVSS 3.1HIGH 8.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2025-34857 Incorrect authorization in Meta WhatsApp Desktop for Mac KEVCVSS 3.1MEDIUM 5.4
  • TI-2025-34863 Deserialization of untrusted data in Meta react-server-dom-webpack CVSS 3.1HIGH 7.5
See all 191 →

Sources