KEV Intelligence

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2019-3568

WhatsApp for Android Remote Code Execution

Facebook / WhatsApp for Android · 2.19.134

View live feed Monitor via API Watch CVE
Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
39.2%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2019-3568 is an unauthenticated vulnerability affecting Facebook WhatsApp for Android and 5 other products. A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Facebook / WhatsApp for Android 2.19.134.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

WhatsApp for Android Remote Code Execution

A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number.

The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.

Vendor Product Affected Status
Facebook WhatsApp for Android 2.19.134 Affected
Facebook WhatsApp for Android Before 2.19.134 Affected
Facebook WhatsApp Business for Android 2.19.44 Affected
Facebook WhatsApp Business for Android Before 2.19.134 Affected
Facebook WhatsApp for iOS 2.19.51 Affected
Facebook WhatsApp for iOS Before 2.19.51 Affected
Facebook WhatsApp Business for iOS 2.19.51 Affected
Facebook WhatsApp Business for iOS Before 2.19.51 Affected
Facebook WhatsApp for Windows Phone 2.18.348 Affected
Facebook WhatsApp for Windows Phone Before 2.18.348 Affected
Facebook WhatsApp for Tizen 2.18.15 Affected
Facebook WhatsApp for Tizen Before 2.18.15 Affected
Published
14 May 2019
Exploitation Reported
19 Apr 2022
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa ios windows android

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 19 Apr 2022

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2022-04-19 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

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

EPSS

39.2%

Weaknesses

Heap-based Buffer Overflow CWE-122

All CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Timeline

From disclosure to observed exploitation

  1. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. CVE published

    Vulnerability disclosed publicly

  3. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2019-3568

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2019-3568",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.39166,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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