Skip to content
Fencer Vulns
critical 10.0

CVE-2000-0733 in the critical feed json

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

published 2000-10-13 26 y ago modified 2026-06-16 4 mo ago also EUVD-2000-0728

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.4%
EPSS 12.4% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

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.

Patch / fix

Timeline

  1. First public exploit (EDB-20149)
  2. Published

Exploit prediction

12.40% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20149 IRIX 5.2/5.3/6.x - TelnetD Environment Variable Format String remote, 2000-07-01
  • archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2000-08/0154.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/1572 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.