CVE-1999-0520
CVE-1999-0520 is a medium-severity vulnerability with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.4)
- EPSS exploit prediction: 1% (71st percentile)
- Actively exploited: Not listed in CISA KEV
- Published:
- Last modified:
Description
A system-critical NETBIOS/SMB share has inappropriate access control.
Frequently asked questions
- What is CVE-1999-0520?
- A system-critical NETBIOS/SMB share has inappropriate access control.
- How severe is CVE-1999-0520?
- CVE-1999-0520 has a CVSS 2.0 base score of 6.4, rated medium severity.
- Is CVE-1999-0520 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-1999-0520?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-1999-0520 published?
- CVE-1999-0520 was published on 1999-01-01 and last updated on 2026-06-16.