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Case File

CVE-2015-1637

MEDIUM · CVSS 4.3 EPSS 13.15%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2015-03-06 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2015-1637
Severity
MEDIUM
CVSS
4.3
EPSS
13.15%
Microsoft Windows

Original NVD 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.