Home/CVE/Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Win
CVE

CVE-2014-6321

Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Win

Schannel 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 allows remote attackers to execute arbitrary code via crafted packets, aka "Microsoft Schannel Remote Code Execution Vulnerability.".

HIGH · CVSS 10 EPSS 0.9348
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

9
microsoft windows 7all versions
microsoft windows 8all versions
microsoft windows 8.1all versions
microsoft windows rtall versions
microsoft windows rt 8.1all versions
microsoft windows server 2003all versions
microsoft windows server 2008all versions
microsoft windows server 2012all versions
⚠

Public Exploits & PoCs

2
pocblog.beyondtrust.com · triggering-ms14-066blog.beyondtrust.com
pocwww.securitysift.com · exploiting-ms14-066-cve-2014-6321-aka-winshockwww.securitysift.com
▣

Scoring & Timeline

10
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published to NVD11 Nov 2014 · 10:55 PM
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://marc.info/?l=bugtraq&m=142384364031268&w=2ExploitMailing ListThird Party Advisory
http://secunia.com/advisories/59800Third Party Advisory
http://www.kb.cert.org/vuls/id/505120Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/70954Third Party AdvisoryVDB Entry
http://www.us-cert.gov/ncas/alerts/TA14-318AThird Party AdvisoryUS Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-066PatchVendor Advisory
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