Vulnerability Details : CVE-2002-0862
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.
Threat overview for CVE-2002-0862
Top countries where our scanners detected CVE-2002-0862
Top open port discovered on systems with this issue
80
IPs affected by CVE-2002-0862 116
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2002-0862
Probability of exploitation activity in the next 30 days: 14.97%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 96 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2002-0862
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2002-0862
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2002-0862
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http://marc.info/?l=bugtraq&m=102976967730450&w=2
'Insufficient Verification of Client Certificates in IIS 5.0 pre sp3' - MARCMailing List
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1332
404 Not FoundBroken Link
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1056
404 Not FoundBroken Link
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https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-050
Microsoft Security Bulletin MS02-050 - Important | Microsoft LearnPatch;Vendor Advisory
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http://marc.info/?l=bugtraq&m=102918200405308&w=2
'IE SSL Exploit' - MARCMailing List
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https://exchange.xforce.ibmcloud.com/vulnerabilities/9776
Multiple vendor SSL intermediate CA-signed certificate spoofing CVE-2009-0653 Vulnerability ReportThird Party Advisory;VDB Entry
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http://marc.info/?l=bugtraq&m=102866120821995&w=2
'IE SSL Vulnerability' - MARCMailing List
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https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2671
404 Not FoundBroken Link
Products affected by CVE-2002-0862
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:terminal_server:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:-:*:*:-:*:*:*
- cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:outlook_express:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_98:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_98se:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_me:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:-:*:*:*:*:*:*:*