CVE-2000-1103

Exp

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.

Published: 2001-01-09 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2000-1103 is rated High Exploit Risk (63.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.35%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2000-1103

EDB-ID Source Kind Published Link
202 exploit_db edb 2000-11-21 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-1103

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 2025-06-27 0.07% 0.35% +0.28%
2 2025-03-17 0.04% 0.07% +0.03%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-1103

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2000-1103

Affected software / configurations for CVE-2000-1103

Vendor Product Version Raw CPE
bsdi bsd_os 3.0 cpe:2.3:o:bsdi:bsd_os:3.0:*:*:*:*:*:*:*
bsdi bsd_os 3.1 cpe:2.3:o:bsdi:bsd_os:3.1:*:*:*:*:*:*:*
bsdi bsd_os 4.0 cpe:2.3:o:bsdi:bsd_os:4.0:*:*:*:*:*:*:*
bsdi bsd_os 4.0.1 cpe:2.3:o:bsdi:bsd_os:4.0.1:*:*:*:*:*:*:*

References for CVE-2000-1103

URL Tags
http://www.securityfocus.com/archive/1/147120 Exploit Vendor Advisory
http://www.securityfocus.com/bid/2009 Exploit Vendor Advisory
cvelogic Threat Intelligence