CVE & CISA-KEV Catalog

CVE-2011-3055

MEDIUMEPSS 74th pctl

4.3

CVSS v2

Description

The browser native UI in Google Chrome before 17.0.963.83 does not require user confirmation before an unpacked extension installation, which allows user-assisted remote attackers to have an unspecified impact via a crafted extension.

CWE-306Missing Authentication for Critical Function

How to fix

Remediation Available

Google ChromeWindows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome (EXE)Windows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome BetaWindows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome Beta (EXE)Windows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome CanaryWindows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome DevWindows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Google Chrome Dev (EXE)Windows application

Affected:17.0.963.83Fixed in:17.0.963.83Google LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.70%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Exploit1

code.google.com

Vendor Advisory1

googlechromereleases.blogspot.com

Third-Party Advisory6

Other references2

Related Vulnerabilities

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-10271	High	7.5	100%	KEV + Ransom	-
CVE-2023-42793	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2022-1388	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-37415	Critical	9.8	100%	KEV	-
CVE-2023-21839	High	7.5	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.