What’s Vulnerable › Vulnerabilities

CVE-2014-1771

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-06-11 · updated 2026-06-17
• Weakness: CWE-310

Description

SChannel in Microsoft Internet Explorer 6 through 11 does not ensure that a server's X.509 certificate is the same during renegotiation as it was before renegotiation, which allows man-in-the-middle attackers to obtain sensitive information or modify TLS session data via a "triple handshake attack," aka "TLS Server Certificate Renegotiation Vulnerability."

Affected products

• Microsoft Internet Explorer 11: 6, 7, 8, 9, 10, 11

References

• http://www.securityfocus.com/bid/67861
• http://www.securitytracker.com/id/1030370
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
• https://secure-resumption.com/
• http://www.securityfocus.com/bid/67861
• http://www.securitytracker.com/id/1030370
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
• https://secure-resumption.com/

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