CVE-2001-0858

Buffer overflow in pppattach and other linked PPP utilities in Caldera Open Unix 8.0 and UnixWare 7.1.0 and 7.1.1 allows local users to gain privileges.

Published: 2001-12-06 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0858 is rated Low Risk (35/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2001-0858

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 2025-11-29 0.08% 0.24% +0.16%
2 2025-03-17 0.04% 0.08% +0.04%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0858

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
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.
 3.9 6.4 [email protected]

Weakness enumeration for CVE-2001-0858

Affected software / configurations for CVE-2001-0858

Vendor Product Version Raw CPE
caldera unixware 7.1.0 cpe:2.3:a:caldera:unixware:7.1.0:*:*:*:*:*:*:*
caldera unixware 7.1.1 cpe:2.3:a:caldera:unixware:7.1.1:*:*:*:*:*:*:*
caldera openunix 8.0 cpe:2.3:o:caldera:openunix:8.0:*:*:*:*:*:*:*

References for CVE-2001-0858

cvelogic Threat Intelligence