CVE-2019-1019: high-severity vulnerability in Microsoft Windows 10 Version 1507
Microsoft Windows Security Feature Bypass Vulnerability
Published · Updated
46Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.5epss 15%
from disclosure to weapon30 days
Published on NVDJun 12
1st PoC+30d
exploitation probability
15%top 3% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.
To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges.
The issue has been addressed by changing how NTLM validates network authentication messages.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1507Microsoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1703Microsoft · Windows 10 Version 1709Microsoft · Windows 10 Version 1709 for 32-bit SystemsMicrosoft · Windows 10 Version 1803Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 1903 for 32-bit SystemsMicrosoft · Windows 10 Version 1903 for ARM64-based SystemsMicrosoft · Windows 10 Version 1903 for x64-based SystemsMicrosoft · Windows 7Microsoft · Windows 7 Service Pack 1Microsoft · Windows 8.1Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 R2 Systems Service Pack 1Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server, version 1803 (Server Core Installation)Microsoft · Windows Server, version 1903 (Server Core installation)public PoCs found — 2✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/47115cve_referencepacketstormsecurity.com/files/153639/Microsoft-Windows-HTTP-To-SMB-NTLM-Reflection-Privilege-Escalation.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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