CVE-2019-18426 Exploited in the Wild — WhatsApp Desktop

Vendor	Product	Version	Status
Facebook	WhatsApp Desktop	0.3.9309	Affected
Facebook	WhatsApp Desktop	unspecified to < 0.3.9309	Affected

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

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

Source	Added
CISA First	2022-05-23 00:00 UTC

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

Check back as sensor telemetry and scanner integrations are updated.

Virtual Patch

Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.

Not available

KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.

Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.

Request Enterprise Access Learn About Virtual Patches

CVSS Scores

CVSS v3.1 8.2 High

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

CVSS v2.0 5.8 Medium

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

Exploitation Status

Exploited in the wild

Recorded 2022-05-23 00:00:00 UTC · CISA

Proof of concept available

Recorded 2020-02-29 21:36:46 UTC · GitHub

Weaknesses (CWE)

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

PerimeterX/CVE-2019-18426

github · Created 2020-02-29 21:36:46 UTC · 10 stars

Timeline

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

23 May 2022 00:00 UTC about 4 years ago

23 May 2022 00:00 UTC · about 4 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
29 Feb 2020 21:36 UTC over 6 years ago

29 Feb 2020 21:36 UTC · over 6 years ago

Public PoC available

Public proof-of-concept code published
21 Jan 2020 20:30 UTC over 6 years ago

21 Jan 2020 20:30 UTC · over 6 years ago

CVE published

Vulnerability disclosed publicly
25 Oct 2019 00:00 UTC over 6 years ago

25 Oct 2019 00:00 UTC · over 6 years ago

CVE ID reserved

Identifier reserved by the CNA

Automate This Intelligence with the Pro API

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

View Pro Pricing View API Docs

Pro API Example

GET /api/v2/pro/kevs/CVE-2019-18426

{
  "cve_id": "CVE-2019-18426",
  "title": "A vulnerability in WhatsApp Desktop versions prior to 0.3.9309 when paired wi...",
  "affected_vendor": "Facebook",
  "affected_product": "WhatsApp Desktop",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 8.2,
  "epss_score": null,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2019-18426

At a Glance

Affected Versions

CVE References

Recommended Actions