Skip to content
Emerging threatsMedium

CVE-2011-3230Safari Vulnerability

Apple Safari before 5.1.1 on Mac OS X does not enforce an intended policy for file: URLs, which allows remote attackers to execute arbitrary code via a crafted web site.

Published Oct 14, 2011 · Updated Apr 28, 2026

Key Facts

Routine patching
  • CVE-2011-3230 is a medium-severity vulnerability (CVSS 6.8 v2) affecting Safari (Apple).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 49% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Safari 5.1.
  • Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

Scores

CVSS v2

6.8

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

49%

Higher than 98.8% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

53/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Advisories And Exploit References

Description

Apple Safari before 5.1.1 on Mac OS X does not enforce an intended policy for file: URLs, which allows remote attackers to execute arbitrary code via a crafted web site.

Affected Products

96 affected entries in total
ProductAffected versionsFixed in
SafariApple1.0, 1.0.0, 1.0.0b1, 1.0.0b2, 1.0.1, 1.0.2, 1.0.3, 1.0.3-85.85.1

Patched Releases

Safari

5.1

Timeline

  1. Publicly disclosed

    Oct 14, 2011

  2. Last updated

    Apr 28, 2026

Weakness Type

  • CWE-264

References

2 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2011-3230 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.