Security readout for executives and security teams
Plain-English summary
CVE-2021-30594 is a memory safety flaw in Google Chrome's Page Info UI before version 92.0.4515.131. The public description says exploitation required physical access to the device, which lowers broad internet urgency but still matters for shared, kiosk, lab, or unmanaged endpoints.
Executive priority
Treat this as routine but necessary browser patching. It is not cited as actively exploited here, but outdated browsers remain high-value targets. Prioritize shared or physically accessible devices first, then confirm fleet-wide update compliance.
Technical view
The CVE describes a use-after-free condition in Chrome's Page Info UI that could lead to heap corruption. Google addressed it in Chrome Stable 92.0.4515.131. Public details are limited, and the Chromium bug reference is not enough here to confirm attack mechanics or impact beyond the CVE wording.
Likely exposure
Exposure is primarily endpoints running Google Chrome before 92.0.4515.131. Fedora package advisories indicate distribution-packaged browser environments also needed updates. Risk is most relevant where users delay browser updates or where attackers may gain physical access to unlocked or shared devices.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. The CVE wording says a remote attacker could potentially exploit heap corruption via physical access, so physical access is a key limiting condition. No exploit steps or public weaponization evidence are provided.
Researcher notes
Evidence is sparse: no CVSS, CWE, detailed impact, or confirmed exploit status appears in the bundle. The key technical anchors are use-after-free, Page Info UI, heap corruption, Chrome before 92.0.4515.131, and the physical-access condition in the CVE description.
Mitigation direction
- Update Google Chrome to 92.0.4515.131 or later.
- Apply OS vendor browser package updates, including relevant Fedora advisories.
- Restart browsers after updating so fixed binaries are active.
- Limit physical access to shared, kiosk, and unmanaged endpoints.
- Check current Google or distribution guidance for any newer remediation notes.
Validation and detection
- Inventory Chrome versions and flag anything below 92.0.4515.131.
- Confirm managed update policies successfully deployed the fixed version.
- Verify users restarted Chrome after update installation.
- Check Linux package versions against the cited Fedora advisories.
- Review shared-device controls where physical access is plausible.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CVE-2021-30594 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2021/08/the-stable-channel-has-been-updated-to.htmlCVE reference · x_refsource_MISC
- https://crbug.com/1218468CVE reference · x_refsource_MISC
- FEDORA-2021-78b9d84299CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-6225d60814CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-02b301441fCVE reference · vendor-advisory, x_refsource_FEDORA
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.
