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HistorySep 29, 1999 - 4:00 a.m.
CVE-1999-0391
windows 95
windows 98
smb authentication
cryptographic challenge
replay attack
user impersonation
cve-1999-0391
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
7.1 High
AI Score
Confidence
Low
0.004 Low
EPSS
Percentile
73.1%
The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to replay the response and impersonate a user.
Affected configurations
Node
microsoftterminal_server
Node
microsoftwindows_2000
ORmicrosoftwindows_ntMatch3.5.1sp1
ORmicrosoftwindows_ntMatch3.5.1sp2
ORmicrosoftwindows_ntMatch3.5.1sp3
ORmicrosoftwindows_ntMatch3.5.1sp4
ORmicrosoftwindows_ntMatch3.5.1sp5
ORmicrosoftwindows_ntMatch4.0
ORmicrosoftwindows_ntMatch4.0sp1
ORmicrosoftwindows_ntMatch4.0sp2
ORmicrosoftwindows_ntMatch4.0sp3
ORmicrosoftwindows_ntMatch4.0sp4
ORmicrosoftwindows_ntMatch4.0sp5
| CPE | Name | Operator | Version |
|---|---|---|---|
| microsoft:terminal_server | microsoft terminal server | eq | * |
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
7.1 High
AI Score
Confidence
Low
0.004 Low
EPSS
Percentile
73.1%
Related for CVE-1999-0391