CVE-2000-0993
CVE-2000-0993 is a high-severity vulnerability in Freebsd with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.2)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Freebsd
- Published:
- Last modified:
Description
Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.
Frequently asked questions
- What is CVE-2000-0993?
- Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.
- How severe is CVE-2000-0993?
- CVE-2000-0993 has a CVSS 2.0 base score of 7.2, rated high severity.
- Is CVE-2000-0993 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2000-0993?
- CVE-2000-0993 primarily affects Freebsd. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2000-0993?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2000-0993 published?
- CVE-2000-0993 was published on 2000-12-19 and last updated on 2026-06-16.
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:58.chpass.asc
- ftp://ftp.NetBSD.ORG/pub/NetBSD/misc/security/advisories/NetBSD-SA2000-015.txt.asc
- http://marc.info/?l=bugtraq&m=97068555106135&w=2
- http://www.openbsd.org/errata27.html#pw_error
- http://www.securityfocus.com/bid/1744
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5339
Affected products (13)
- cpe:2.3:o:freebsd:freebsd:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:o:netbsd:netbsd:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*
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