csstart program in iCal 2.1 Patch 2 uses relative pathnames to install the libsocket and libnsl libraries, which could allow the icsuser account to gain root privileges by creating a Trojan Horse library in the current or parent directory.
Conclusion & alert: CVE-2000-1074 is rated High Exploit Risk (87.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.05%, 91th percentile). 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 20276 | exploit_db | edb | 2000-10-10 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-02-21 | 6.46% | 7.05% | +0.58% |
| 2 | 2025-06-11 | 4.74% | 6.46% | +1.73% |
| 3 | 2025-03-30 | — | 4.74% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netscape | iplanet_ical | 2.1 | cpe:2.3:a:netscape:iplanet_ical:2.1:patch2:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.atstake.com/research/advisories/2000/a100900-1.txt | Exploit Patch Vendor Advisory |
| http://www.osvdb.org/7209 | |
| http://www.securityfocus.com/bid/1769 | Exploit Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/5757 |