CVE-2012-4145: n/a vulnerability

CVE-2012-4145: Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01...

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."

UnknownCVSS not scoredNot KEV-listedUpdatedSep 17, 2024, 00:46 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Opera browser issue fixed in Opera 12.01 on Windows and UNIX, and 11.66 or 12.01 on Mac OS X. Public sources describe it only as a low-severity, unspecified vulnerability with unknown impact and attack vectors. Business urgency is low unless legacy Opera remains in use. Likely exposure is limited to endpoints still running affected Opera builds from before August 2012. Check legacy desktops, kiosks, lab systems, archived VMs, and unmanaged UNIX or Mac systems where old browser packages may persist. Treat as low priority unless asset inventory finds legacy Opera in production or sensitive environments. The main business task is hygiene: confirm obsolete browsers are not present on systems that access corporate data or the internet. Mitigation focus: Upgrade Opera to a version newer than the fixed releases named by Opera.; Remove unsupported legacy Opera installations from managed endpoints.; Check vendor guidance if old Opera must remain for compatibility..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 6, 2012, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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