CVE-2002-0862: n/a vulnerability

CVE-2002-0862: The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within t...

The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outlook Express for Mac, do not properly verify the Basic Constraints of intermediate CA-signed X.509 certificates, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack for SSL sessions, as originally reported for Internet Explorer and IIS.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 03:03 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Microsoft certificate-validation flaw. Affected products could trust a forged certificate chain because they failed to enforce intermediate certificate authority restrictions. In practical terms, a network attacker in the middle of a connection could make a fake site appear trusted to vulnerable software. Exposure is mainly legacy Microsoft environments: Windows 98 through XP, Office for Mac, Internet Explorer for Mac, Outlook Express for Mac, and IIS-related certificate validation noted in the sources. Modern unsupported remnants, embedded systems, lab networks, or archived business workflows are the realistic concern. Treat this as high priority only where legacy Microsoft assets remain in operation. The business risk is credential interception or trusted-site impersonation on obsolete systems. If no named legacy products exist, urgency is mainly archival documentation and assurance. Mitigation focus: Review Microsoft MS02-050 for affected versions and official updates.; Remove or isolate unsupported Windows 98 through XP systems.; Retire legacy Internet Explorer for Mac and Outlook Express for Mac use..

Prepared: Jul 1, 2026, 06:00 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: Sep 10, 2002, 04:00 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

6Source 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
oval:org.mitre.oval:def:1332CVE reference · vdb-entry, signature
oval:org.mitre.oval:def:1056CVE reference · vdb-entry, signature
ssl-ca-certificate-spoofing(9776)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:2671CVE reference · vdb-entry, signature
MS02-050CVE reference · vendor-advisory, x_refsource_MS

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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