Security readout for executives and security teams
CVE-2019-3568 is a critical WhatsApp calling flaw that could let an attacker run code on a phone by abusing the VOIP stack. The affected apps are older WhatsApp and WhatsApp Business releases across Android, iOS, Windows Phone, and Tizen. Exposure is most likely on managed or personal mobile devices running WhatsApp versions older than the vendor-listed fixed thresholds. Organizations with BYOD, executive mobile usage, or messaging-dependent operations should treat unknown app versions as a priority inventory gap. Treat this as urgent for any environment where WhatsApp is used on business-relevant mobile devices. The combination of remote code execution, no user interaction, and CISA KEV status justifies rapid inventory and update enforcement. Mitigation focus: Update affected WhatsApp apps to versions at or above the listed fixed releases.; Use MDM or app inventory tooling to identify outdated WhatsApp installations.; Prioritize executive, legal, security, and high-risk mobile users for verification..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookupExecution behavior lookup
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Open ATT&CK lookupCVE-2019-3568 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.facebook.com/security/advisories/cve-2019-3568CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.