Improper authentication in Google Chrome
Priority LOW 33CWE-287Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Inappropriate implementation in the ChromeOS Readiness Tool installer on Windows prior to 1.0.2.0 loosens DCOM access rights on two objects allowing an attacker to potentially bypass discretionary access controls.
Why it matters now
EPSS 0.0012 1st percentileScored 2026-11-07
Fix Fixed Chrome (Google): 1.0.2.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Chrome | before 1.0.2.0 | 1.0.2.0 | Patch available | CNA |
- Chrome VendorGoogle Affected before 1.0.2.0 Fixed in 1.0.2.0 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:google:chrome_os_readiness_tool:*:*:*:*:*:*:*:* | before 1.0.2.0 | Vulnerable | |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:google:chrome_os_readiness_tool:*:*:*:*:*:*:*:* Versions before 1.0.2.0 Vulnerable ·Google
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
- Fix · CNA Chrome (Google) Fixed in 1.0.2.0
Timeline
- 2026-10-02 Threatist record created from CVE-2021-30605
- 2026-10-03 Alias added: GHSA-x867-pp5j-mgrh
References
Advisory 1
Other 1
Sources
- CVE-2021-30605 · CVE Program
- CVE-2021-30605 · NVD
- FIRST EPSS
- GHSA-x867-pp5j-mgrh · GitHub Advisory Database · CC BY 4.0
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