Is CVE-2001-0667 in the CISA KEV catalog?

No. CVE-2001-0667 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-0667?

CVE-2001-0667 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2001-0667?

CVE-2001-0667 has an EPSS score of 14.68% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-0667

HIGHEPSS 96th pctl

7.3

CVSS v3

NVD

Description

Internet Explorer 6 and earlier, when used with the Telnet client in Services for Unix (SFU) 2.0, allows remote attackers to execute commands by spawning Telnet with a log file option on the command line and writing arbitrary code into an executable file which is later executed, aka a new variant of the Telnet Invocation vulnerability as described in CVE-2001-0150.

CWE-88

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

14.68%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.