CVE-2015-1637
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Microsoft Windows
PublishedMar 6, 2015
First seenMar 6, 2015
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_7 | No range specified | — |
| microsoft windows_8 | No range specified | — |
| microsoft windows_8.1 | No range specified | — |
| microsoft windows_rt | No range specified | — |
| microsoft windows_rt_8.1 | No range specified | — |
| microsoft windows_server_2003 | No range specified | — |
| microsoft windows_server_2008 | No range specified, r2 | — |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_vista | No range specified | — |
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