How severe is CVE-2000-0733?

CVE-2000-0733 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0733?

CVE-2000-0733 primarily affects Sgi Irix. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0733?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-0733 published?

CVE-2000-0733 was published on 2000-10-20 and last updated on 2026-06-16.

CVE-2000-0733

CVE-2000-0733 is a critical-severity vulnerability in Sgi Irix with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sgi Irix
Published: 2000-10-20
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2000-0733?: 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.
How severe is CVE-2000-0733?: CVE-2000-0733 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0733?: CVE-2000-0733 primarily affects Sgi Irix. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0733?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0733 published?: CVE-2000-0733 was published on 2000-10-20 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:o:sgi:irix:5.2:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:5.3:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:5.3:*:xfs:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.0:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.0.1:*:xfs:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.1:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.2:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.3:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.4:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.1:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.2m:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.3:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.3f:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.3m:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.4:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.6:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.7:*:*:*:*:*:*:*
cpe:2.3:o:sgi:irix:6.5.8:*:*:*:*:*:*:*

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