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CVE Record

CVE-2021-30604: Use after free in ANGLE in Google Chrome prior to 92.0.4515.159 allowed a remote attacker to potentially ex...

Use after free in ANGLE in Google Chrome prior to 92.0.4515.159 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-30604 is a Google Chrome vulnerability in ANGLE, Chrome's graphics translation layer. A malicious web page could potentially trigger heap corruption in Chrome versions before 92.0.4515.159. This is mainly an endpoint browser risk: exposure depends on whether users still run outdated Chrome or Chromium-based packages.

Executive priority

Prioritize patch verification for user endpoints, especially unmanaged or rarely updated systems. This is not KEV-listed in the provided sources, but browser memory corruption reachable by web content is a credible business risk.

Technical view

The CVE describes a use-after-free flaw in ANGLE in Google Chrome before 92.0.4515.159. The stated attack path is a crafted HTML page causing potential heap corruption. The bundle does not provide CVSS, CWE, exploit details, or a public root-cause analysis beyond the Chrome bug reference.

Likely exposure

Organizations are exposed if managed desktops, laptops, or Linux systems still run Chrome or Chromium builds older than 92.0.4515.159. Modern auto-updated Chrome fleets are less likely exposed, but unmanaged endpoints, golden images, and offline systems should be checked.

Exploitation context

The sources describe remote exploitation potential through a crafted HTML page. The bundle marks KEV as false and provides no cited evidence of active exploitation. Treat exploitation status as unconfirmed, not actively exploited.

Researcher notes

Evidence is limited to the CVE record, Chrome stable update reference, Chrome bug link, and Fedora advisories. No CVSS vector, CWE mapping, or exploit telemetry is provided. Avoid claiming active exploitation without additional cited evidence.

Mitigation direction

  • Update Google Chrome to 92.0.4515.159 or later.
  • Apply relevant Fedora Chromium package updates where Fedora systems are in scope.
  • Verify enterprise browser management enforces current Chrome or Chromium versions.
  • Check vendor guidance for any platform-specific remediation details.
  • Retire or isolate endpoints that cannot receive browser updates.

Validation and detection

  • Inventory Chrome and Chromium versions across managed endpoints.
  • Flag any version older than 92.0.4515.159 for remediation.
  • Confirm Fedora advisory updates are installed on affected Linux hosts.
  • Review browser management reports for failed or deferred updates.
  • Document exceptions for unmanaged, offline, or unsupported endpoints.
Prepared
Confidence
medium
Sources
7

Public sources used

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

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CVE-2021-30604 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
GoogleChromeunspecifiedListed
Weakness

CWE details

No CWE listed

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