Is CVE-2000-0834 in the CISA KEV catalog?

No. CVE-2000-0834 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2000-0834?

CVE-2000-0834 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2000-0834?

CVE-2000-0834 has an EPSS score of 42.69% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2000-0834

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

The Windows 2000 telnet client attempts to perform NTLM authentication by default, which allows remote attackers to capture and replay the NTLM challenge/response via a telnet:// URL that points to the malicious server, aka the "Windows 2000 Telnet Client NTLM Authentication" vulnerability.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

42.69%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% 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.