Is CVE-2005-2040 in the CISA KEV catalog?

No. CVE-2005-2040 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2005-2040?

CVE-2005-2040 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2005-2040?

CVE-2005-2040 has an EPSS score of 2.84% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2005-2040?

Upgrade heimdal on debian 11 to 0.6.3-11 or later.

CVE & CISA-KEV Catalog

CVE-2005-2040

MEDIUMEPSS 85th pctl

5.0

CVSS v2

NVD

Description

Multiple buffer overflows in the getterminaltype function in telnetd for Heimdal before 0.6.5 may allow remote attackers to execute arbitrary code, a different vulnerability than CVE-2005-0468 and CVE-2005-0469.

How to fix

Remediation Available

heimdalDebian

Fixed in:0.6.3-11CVE-2005-2040

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.84%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch1

secunia.com

Vendor Advisory1

pdc.kth.se

Other references3

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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.