HOMEVULNERABILITIESCVE-2000-1074
CRITICALPOC

CVE-2000-1074

NVD-CWE-OtherPublished: December 11, 2000· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2000-1074 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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-2000-1074. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

netscape1 product(s)
iplanet ical
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://www.atstake.com/research/advisories/2000/a100900-1.txt
PATCHhttp://www.securityfocus.com/bid/1769
PATCHhttp://www.atstake.com/research/advisories/2000/a100900-1.txt
PATCHhttp://www.securityfocus.com/bid/1769

All References (8)

→
http://www.atstake.com/research/advisories/2000/a100900-1.txtExploit · Patch · Vendor Advisory
→
http://www.osvdb.org/7209
→
http://www.securityfocus.com/bid/1769Exploit · Patch · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/5757
→
http://www.atstake.com/research/advisories/2000/a100900-1.txtExploit · Patch · Vendor Advisory
→
http://www.osvdb.org/7209
→
http://www.securityfocus.com/bid/1769Exploit · Patch · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/5757

Quick Facts

CVE IDCVE-2000-1074
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedDec 11, 2000

Related CVEs (NVD-CWE-Other)

CVE-1999-0210
10.0
CVE-2000-0032
10.0
CVE-2000-0026
10.0
CVE-2000-0306
10.0
CVE-1999-0836
10.0
CVE-2000-0012
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2000-1074 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.
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