CVE-2000-1073 — csstart program in iCal 2.1 Patch 2 searches for the cshttpd program in the current working directory, which allows local users to gain root privileges by creating a Trojan Horse cshttpd program in a directory and calling csstart from that directory

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HIGH

csstart program in iCal 2.1 Patch 2 searches for the cshttpd program in the current working directory, which allows local users to gain root privileges by creating a Trojan Horse cshttpd program in a directory and calling csstart from that directory

Published Jan 22, 2001

7.2

HIGH

CVSS 2.0

EPSS 0.49%

Description

csstart program in iCal 2.1 Patch 2 searches for the cshttpd program in the current working directory, which allows local users to gain root privileges by creating a Trojan Horse cshttpd program in a directory and calling csstart from that directory.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.49% 0.00489

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00489

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.49% (0.00489)	39.83th	v5 (v2026.06.15)
Jun 15, 2026	0.49% (0.00489)	38.02th	v5 (v2026.06.15)
Mar 17, 2025	0.06% (0.00062)	16.59th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00042)	5.07th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00042)	5.63th	v3 (v2023.03.01)
Mar 6, 2023	0.95% (0.00950)	32.28th	v2 (v2022.01.01)
Sep 10, 2022	0.95% (0.00950)	30.63th	v2 (v2022.01.01)
Apr 1, 2022	0.95% (0.00950)	28.61th	v2 (v2022.01.01)
Feb 4, 2022	0.95% (0.00950)	13.46th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://www.atstake.com/research/advisories/2000/a100900-1.txt
vendor-advisoryx_refsource_ATSTAKEExploitPatchVendor Advisory
http://www.osvdb.org/7210
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/1769
vdb-entryx_refsource_BIDExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5757
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.atstake.com/research/advisories/2000/a100900-1.txt		vendor-advisoryx_refsource_ATSTAKEExploitPatchVendor Advisory
http://www.osvdb.org/7210		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/1769		vdb-entryx_refsource_BIDExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5757		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jan 22, 2001

Updated Aug 8, 2024

Reserved Nov 29, 2000

Link CVE-2000-1073

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2000-1073

Red Hat

Severity n/a

Public date n/a

Links CVE-2000-1073