Quick answers
- Is CVE-1999-0519 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-1999-0519 being exploited in the wild.
- How severe is CVE-1999-0519?
- High severity, with a CVSS score of 7.5, published 1 January 1997.
- Which products and versions are affected?
- Microsoft Windows Networking (NetBIOS/SMB).
- Is there a fix for CVE-1999-0519?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-1999-0519 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-1999-0519?
- Check whether you run Microsoft Outlook, Microsoft Windows Networking, Microsoft Windows 2000 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This vulnerability involves the use of weak or non-existent credentials for NetBIOS/SMB network shares. It is a configuration-based vulnerability where shares are exported with null passwords, default passwords, or no password protection at all. A remote attacker with network access can connect to these shares without authentication or by using well-known default credentials. Successful exploitation allows the attacker to read, write, or delete files on the affected system, potentially leading to full system compromise depending on the permissions of the share. Administrators should enforce strong password policies and ensure that all network shares require authentication.
Affected products
- Microsoft Windows Networking (NetBIOS/SMB)
Timeline
- 1997-01-01: disclosed