High severity · published Aug 9, 2016
CVE-2016-3237
Kerberos in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold,…
7.5
CVSS
17.2%
EPSS
No
On KEV
Description
Kerberos in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 allows man-in-the-middle attackers to bypass authentication via vectors related to a fallback to NTLM authentication during a domain account password change, aka "Kerberos Security Feature Bypass Vulnerability."
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)17.2% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
1511 · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8.1 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT 8.1 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2; r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WV
Windows Vista · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3237
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3237
Third Party Advisory
http://www.securityfocus.com/bid/92290
Third Party Advisory
http://www.securitytracker.com/id/1036576
Patch
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-101
Exploit
https://www.exploit-db.com/exploits/40409/
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