Is CVE-2010-1378 actively exploited?

No active exploitation of CVE-2010-1378 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2010-1378 be exploited remotely?

Yes. CVE-2010-1378 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2010-1378?

CVE-2010-1378 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2010-1378

CWE-295Published: November 15, 2010· Updated: Jun 16, 2026

9.8

CVSS v3.1

Official Description

OpenSSL in Apple Mac OS X 10.6.x before 10.6.5 does not properly perform arithmetic, which allows remote attackers to bypass X.509 certificate authentication via an arbitrary certificate issued by a legitimate Certification Authority.

NVD Source

Technical Analysis

CVE-2010-1378 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.