Security readout for executives and security teams
Plain-English summary
This Chrome flaw could let a malicious web page leak data across browser origin boundaries. For executives, the main concern is sensitive information exposure from users browsing with outdated Chrome versions before 92.0.4515.107.
Executive priority
Treat this as a normal-priority browser patching issue unless outdated Chrome remains widespread or high-risk users browse untrusted sites. The business risk is data exposure, not confirmed compromise from the provided sources.
Technical view
CVE-2021-30582 is an inappropriate implementation issue in Chrome's Animation component. Google states that Chrome before 92.0.4515.107 allowed a remote attacker to leak cross-origin data through a crafted HTML page. The bundle provides no CVSS, CWE, or detailed root-cause disclosure.
Likely exposure
Exposure is most likely on endpoints running Google Chrome earlier than 92.0.4515.107. Risk depends on whether affected users can reach attacker-controlled web content and whether browser updates were delayed.
Exploitation context
The sources describe remote exploitation through a crafted HTML page, but do not provide exploit details. The CVE is not marked KEV in the bundle, so there is no source-backed evidence here of known active exploitation.
Researcher notes
The public bundle is sparse: no CVSS, CWE, affected version range beyond prior to 92.0.4515.107, or technical advisory detail. Avoid assuming exploit maturity or impact beyond cross-origin data leakage from crafted HTML.
Mitigation direction
- Upgrade Google Chrome to 92.0.4515.107 or later.
- Check Google Chrome release guidance for any superseding vendor instructions.
- Review referenced Fedora advisories for distribution-specific update handling if applicable.
- Prioritize managed browser update enforcement across user endpoints.
Validation and detection
- Inventory Chrome versions across managed endpoints.
- Confirm no Chrome installations remain below 92.0.4515.107.
- Verify browser update policies are enabled and reporting successfully.
- Review vulnerability scanner results for stale browser findings.
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-2021-30582 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/2021/07/stable-channel-update-for-desktop_20.htmlCVE reference · x_refsource_MISC
- https://crbug.com/1205981CVE 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.
