HOMEVULNERABILITIESCVE-2000-1103
HIGHPOC

CVE-2000-1103

NVD-CWE-OtherPublished: January 9, 2001· Updated: Jun 16, 2026

7.2
CVSS v3.1

Official Description

rcvtty in BSD 3.0 and 4.0 does not properly drop privileges before executing a script, which allows local attackers to gain privileges by specifying an alternate Trojan horse script on the command line.

NVD Source

Technical Analysis

CVE-2000-1103 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2000-1103. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

bsdi1 product(s)
bsd os
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

http://www.securityfocus.com/bid/2009Exploit · Vendor Advisory
http://www.securityfocus.com/bid/2009Exploit · Vendor Advisory

Quick Facts

CVE IDCVE-2000-1103
CVSS Score7.2 / 10
SeverityHIGH
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJan 9, 2001

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2000-1103 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.