VulnerabilityModified
CVE-1999-0391
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.
HIGH 7.5EPSS 4.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 4.89% probability · 92th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/terminal server · microsoft/windows 2000 · microsoft/windows nt
- Source
- cve@mitre.org
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.