CVE-1999-0170

Remote attackers can mount an NFS file system in Ultrix or OSF, even if it is denied on the access list.

Published: 1997-01-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0170 is rated Moderate Risk (58.9/100): CVSS High severity, with high exploitation likelihood (EPSS 18.41%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-1999-0170

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 28.13% 18.41% -9.72%
2 2025-03-30 36.48% 28.13% -8.34%
3 2025-03-29 — 36.48% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0170

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-1999-0170

OS Trackers for CVE-1999-0170

vendor priority summary link
alpine — CVE-1999-0170: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0170

Affected software / configurations for CVE-1999-0170

Vendor Product Version Raw CPE
digital ultrix — cpe:2.3:o:digital:ultrix:*:*:*:*:*:*:*:*

References for CVE-1999-0170

cvelogic Threat Intelligence