CVE-2012-4677

Tunnelblick 3.3beta20 and earlier allows local users to gain privileges by using a crafted Info.plist file to control the gOkIfNotSecure value.

Published: 2012-08-26 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4677 is rated Low Risk (18.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4677

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2023-03-07 0.89% 0.04% -0.84%
2 2022-02-04 — 0.89% —

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4677

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.4 2.0 MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 6.4 [email protected]

Weakness enumeration for CVE-2012-4677

Affected software / configurations for CVE-2012-4677

Vendor Product Version Raw CPE
google tunnelblick <= 3.3beta20 cpe:2.3:a:google:tunnelblick:*:*:*:*:*:*:*:*

References for CVE-2012-4677

cvelogic Threat Intelligence