HOMEVULNERABILITIESCVE-2012-4145
CRITICAL

CVE-2012-4145

NVD-CWE-noinfoPublished: August 6, 2012· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue."

NVD Source

Technical Analysis

CVE-2012-4145 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Apple1 product(s)
mac os x
Linux1 product(s)
linux kernel
Microsoft1 product(s)
windows
opera1 product(s)
opera browser
Source: NVD CPE · 30 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (8)

Quick Facts

CVE IDCVE-2012-4145
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
Affected4 vendor(s)
PublishedAug 6, 2012

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2012-4145 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.