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cve[email protected]CVE-2019-1338
HistoryOct 10, 2019 - 2:15 p.m.

CVE-2019-1338

2019-10-1014:15:00
NVD-CWE-noinfo
web.nvd.nist.gov
69
2
cve-2019-1338
security feature
bypass vulnerability
microsoft windows
ntlmv2
lmv2
nvd

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

6.3 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.055 Low

EPSS

Percentile

93.1%

A security feature bypass vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLMv2 protection if a client is also sending LMv2 responses, aka ‘Windows NTLM Security Feature Bypass Vulnerability’.

VendorProductVersionCPE
microsoftwindows*cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
microsoftwindows*cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
microsoftwindows_server_2016*cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

Social References

More

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

6.3 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.055 Low

EPSS

Percentile

93.1%