CVE-2015-1637 Details
Description
Schannel (aka Secure Channel) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict TLS state transitions, which makes it easier for remote attackers to conduct cipher-downgrade attacks to EXPORT_RSA ciphers via crafted TLS traffic, related to the "FREAK" issue, a different vulnerability than CVE-2015-0204 and CVE-2015-1067.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No CVSS 3.x data is available for this CVE.
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-031 | CVE | PatchVendor Advisory |
| https://freakattack.com/ | CVE | Vendor Advisory |
| https://technet.microsoft.com/library/security/3046015 | CVE | PatchVendor Advisory |
| http://web.archive.org/web/20150321220028/https://freakattack.com/ | CVE | |
| http://www.securityfocus.com/bid/72965 | CVE | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1031833 | CVE | Third Party AdvisoryVDB Entry |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-031 | [email protected] | PatchVendor Advisory |
| https://freakattack.com/ | [email protected] | Vendor Advisory |
| https://technet.microsoft.com/library/security/3046015 | [email protected] | PatchVendor Advisory |
| http://web.archive.org/web/20150321220028/https://freakattack.com/ | [email protected] | |
| http://www.securityfocus.com/bid/72965 | [email protected] | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1031833 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-310 | Cryptographic Issues | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 7 | All versions |
CPE
Remediation
| |
| microsoft windows 8 | All versions |
CPE
Remediation
| |
| microsoft windows 8.1 | All versions |
CPE
Remediation
| |
| microsoft windows rt | All versions |
CPE
Remediation
| |
| microsoft windows rt 8.1 | All versions |
CPE
Remediation
| |
| microsoft windows server 2003 | All versions |
CPE
Remediation
| |
| microsoft windows server 2008 | r2 sp1 |
CPE
Remediation
| |
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows vista | All versions |
CPE
Remediation
| |
Change History
20 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| May 6, 2026 | Status Change | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Apr 7, 2021 | CVE Modified | [email protected] |
| May 14, 2019 | Modified Analysis | [email protected] |
| May 8, 2019 | CPE Deprecation Remap | [email protected] |
| May 8, 2019 | CPE Deprecation Remap | [email protected] |
| May 8, 2019 | CPE Deprecation Remap | [email protected] |
| May 8, 2019 | CPE Deprecation Remap | [email protected] |
| May 8, 2019 | CPE Deprecation Remap | [email protected] |
| Oct 12, 2018 | CVE Modified | [email protected] |
| Jan 3, 2017 | CVE Modified | [email protected] |
| Mar 27, 2015 | Modified Analysis | [email protected] |
| Mar 26, 2015 | CVE Modified | [email protected] |
| Mar 12, 2015 | Modified Analysis | [email protected] |
| Mar 12, 2015 | CVE Modified | [email protected] |
| Mar 10, 2015 | CVE Modified | [email protected] |
| Mar 7, 2015 | Modified Analysis | [email protected] |
| Mar 6, 2015 | Initial Analysis | [email protected] |