CVE-1999-0166
CVE-1999-0166 is a medium-severity vulnerability in Sun Nfs with a CVSS 2.0 base score of 5.0. 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 5.0)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Sun Nfs
- Published:
- Last modified:
Description
NFS allows users to use a "cd .." command to access other directories besides the exported file system.
Frequently asked questions
- What is CVE-1999-0166?
- NFS allows users to use a "cd .." command to access other directories besides the exported file system.
- How severe is CVE-1999-0166?
- CVE-1999-0166 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-1999-0166 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-1999-0166?
- CVE-1999-0166 affects Sun Nfs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-1999-0166?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-1999-0166 published?
- CVE-1999-0166 was published on 1997-01-01 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:a:sun:nfs:*:*:*:*:*:*:*:*
More vulnerabilities in Sun Nfs
- CVE-1999-0169 — Critical (CVSS 10.0): NFS allows attackers to read and write any file on the system by specifying a false UID.
- CVE-1999-0165 — Critical (CVSS 10.0): NFS cache poisoning.
- CVE-1999-0084 — High (CVSS 8.4): Certain NFS servers allow users to use mknod to gain privileges by creating a writable kmem device and setting the UID…