CVE-1999-0078

pcnfsd (aka rpc.pcnfsd) allows local users to change file permissions, or execute arbitrary commands through arguments in the RPC call.

Published: 1996-04-18 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0078 is rated Low Risk (15.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.11%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

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-1999-0078

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 2025-03-30 1.56% 0.11% -1.46%
2 2025-03-29 0.11% 1.56% +1.46%
3 2025-03-17 — 0.11% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0078

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 3.4 2.9 [email protected]

Weakness enumeration for CVE-1999-0078

OS Trackers for CVE-1999-0078

vendor priority summary link
alpine — CVE-1999-0078: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0078

Affected software / configurations for CVE-1999-0078

Vendor Product Version Raw CPE
ncr mp-ras 2.03 cpe:2.3:a:ncr:mp-ras:2.03:*:*:*:*:*:*:*
ncr mp-ras 3.0 cpe:2.3:a:ncr:mp-ras:3.0:*:*:*:*:*:*:*
ncr mp-ras 3.01 cpe:2.3:a:ncr:mp-ras:3.01:*:*:*:*:*:*:*
sgi irix 5.3 cpe:2.3:o:sgi:irix:5.3:*:*:*:*:*:*:*
bsdi bsd_os — cpe:2.3:o:bsdi:bsd_os:*:*:*:*:*:*:*:*
freebsd freebsd 6.2 cpe:2.3:o:freebsd:freebsd:6.2:stable:*:*:*:*:*:*
hp hp-ux — cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
nec up-ux_v — cpe:2.3:o:nec:up-ux_v:*:*:*:*:*:*:*:*
next nextstep — cpe:2.3:o:next:nextstep:*:*:*:*:*:*:*:*
sco openserver 5 cpe:2.3:o:sco:openserver:5:*:*:*:*:*:*:*
sco unixware 2.1 cpe:2.3:o:sco:unixware:2.1:*:*:*:*:*:*:*
sun sunos 4.1 cpe:2.3:o:sun:sunos:4.1:*:*:*:*:*:*:*
sun sunos 5.4 cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*
sun sunos 5.5 cpe:2.3:o:sun:sunos:5.5:*:*:*:*:*:*:*

References for CVE-1999-0078

cvelogic Threat Intelligence