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CVE-2015-1637

N/A

Published: March 6, 2015 at 05:00 PM UTC

Updated: June 17, 2026 at 12:22 AM UTC

9 products affected across 1 vendorWindows Server 2012Windows Server 2008Windows 7

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Severity

N/A

Exploit prediction

EPSS 13%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 7 · Microsoft

95%

sp1

Windows 8 · Microsoft

95%

All versions

Windows 8-1 · Microsoft

95%

All versions

Windows Rt · Microsoft

95%

All versions

Windows Rt 8-1 · Microsoft

95%

All versions

Windows Server 2003 · Microsoft

95%

sp2

Windows Server 2008 · Microsoft

95%

Windows Server 2012 · Microsoft

95%

Windows Vista · Microsoft

95%

sp2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

x_refsource_MISC

Source: [email protected]

http://web.archive.org/web/20150321220028/https://freakattack.com/

VDB Entryx_refsource_BIDThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/72965

VDB Entryx_refsource_SECTRACKThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1031833

Vendor Advisoryx_refsource_MSPatch

Source: [email protected]

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-031

x_refsource_MISCVendor Advisory

Source: [email protected]

https://freakattack.com/

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://technet.microsoft.com/library/security/3046015

CVSS

4.3MEDIUM[email protected]

Confidentiality: NONE
Integrity: PARTIAL
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-310

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