Is CVE-2004-0998 in the CISA KEV catalog?

No. CVE-2004-0998 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2004-0998?

CVE-2004-0998 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2004-0998?

CVE-2004-0998 has an EPSS score of 5.50% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2004-0998?

Upgrade netkit-telnet-ssl on debian 11 to 0.17.24+0.1-6 or later.

CVE & CISA-KEV Catalog

CVE-2004-0998

HIGHEPSS 92th pctl

7.5

CVSS v2

NVD

Description

Format string vulnerability in telnetd-ssl 0.17 and earlier allows remote attackers to execute arbitrary code.

How to fix

Remediation Available

netkit-telnet-sslDebian

Fixed in:0.17.24+0.1-6CVE-2004-0998

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

5.50%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch3

Other references1

exchange.xforce.ibmcloud.com

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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.