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Tool Directory

CVE-2000-0733

HighPublished

Telnetd telnet server in IRIX 5.2 through 6.1 does not properly cleans user-injected format strings, which allows remote attackers to execute arbitrary...

Published: Oct 13, 2000
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Jul 1, 2000

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

12.4%

Moderate · next 30 days

Percentile: 96.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Telnetd telnet server in IRIX 5.2 through 6.1 does not properly cleans user-injected format strings, which allows remote attackers to execute arbitrary commands via a long RLD variable in the IAC-SB-TELOPT_ENVIRON request.

Sources

IRIX 5.2/5.3/6.x - TelnetD Environment Variable Format StringExploit
Last Stage of Delirium · irix · Jul 1, 2000

Responsible use

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