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CVE Record

CVE-2022-27492: An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.

An integer underflow in WhatsApp could have caused remote code execution when receiving a crafted video file.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2022-27492 is a WhatsApp vulnerability where a malformed video file could have led to remote code execution. In business terms, a successful attack could compromise a user's mobile device through WhatsApp media handling. The sources do not state active exploitation or identify specific fixed versions in the provided bundle.

Executive priority

Treat this as high priority for mobile risk management because the impact is full device compromise through a common messaging app. It is not justified as an emergency solely from this bundle because active exploitation and exact affected/fixed versions are not evidenced here.

Technical view

The issue is an integer underflow, CWE-191, in WhatsApp video processing. CVSS 3.1 score is 7.8 with no privileges required, low attack complexity, user interaction required, and high confidentiality, integrity, and availability impact. Listed affected products are WhatsApp and WhatsApp Business for Android and iOS, with versions unspecified.

Likely exposure

Exposure is most likely where employees use WhatsApp or WhatsApp Business on Android or iOS, including BYOD devices. Because versions are unspecified in the supplied sources, teams must verify installed versions against Meta/WhatsApp advisory data rather than assume all installations are vulnerable.

Exploitation context

The provided sources describe possible remote code execution when receiving a crafted video file. The CVSS vector indicates user interaction is required. CISA KEV is false in the bundle, and no cited source here supports active exploitation in the wild.

Researcher notes

The source bundle gives root cause, impact, affected product families, and CVSS, but not vulnerable version ranges, fixed builds, or technical patch details. Validation should focus on advisory mapping and fleet exposure, not exploit reproduction.

Mitigation direction

  • Review the WhatsApp 2022 security advisory for fixed version guidance.
  • Update WhatsApp and WhatsApp Business through official app stores.
  • Use MDM to restrict outdated WhatsApp builds on managed devices.
  • Prioritize updates for executives, incident responders, and high-risk users.
  • Advise users to avoid unexpected video files until current.

Validation and detection

  • Inventory Android and iOS devices with WhatsApp installed.
  • Compare installed versions with WhatsApp advisory guidance.
  • Check MDM compliance for current app versions.
  • Review mobile security telemetry for suspicious WhatsApp crashes.
  • Confirm BYOD users have updated from official stores.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-191: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-27492 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2022-27492Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MetaWhatsApp Business for iOSunspecifiedListed
MetaWhatsApp for iOSunspecifiedListed
MetaWhatsApp for AndroidunspecifiedListed
MetaWhatsApp Business for AndroidunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-191 · source CWE mapping

Integer Underflow (Wrap or Wraparound)

Integer Underflow (Wrap or Wraparound) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.