Is CVE-2001-0414 in the CISA KEV catalog?

No. CVE-2001-0414 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-0414?

CVE-2001-0414 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2001-0414?

CVE-2001-0414 has an EPSS score of 91.68% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-0414

HIGHEPSS 100th pctl

10.0

CVSS v2

NVD

Description

Buffer overflow in ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long readvar argument.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

91.68%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

http://archives.neohapsis.com/archives/bugtraq/2001-04/0127.html
http://archives.neohapsis.com/archives/bugtraq/2001-04/0225.html
http://archives.neohapsis.com/archives/bugtraq/2001-04/0314.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000392
http://lists.suse.com/archives/suse-security-announce/2001-Apr/0000.html
http://marc.info/?l=bugtraq&m=98642418618512&w=2
http://marc.info/?l=bugtraq&m=98654963328381&w=2
http://marc.info/?l=bugtraq&m=98659782815613&w=2
http://marc.info/?l=bugtraq&m=98679815917014&w=2
http://marc.info/?l=bugtraq&m=98683952401753&w=2
http://marc.info/?l=bugtraq&m=98684202610470&w=2
http://marc.info/?l=bugtraq&m=98684532921941&w=2
http://www.calderasystems.com/support/security/advisories/CSSA-2001-013.0.txt
http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-036.php3
http://www.osvdb.org/805
http://www.redhat.com/support/errata/RHSA-2001-045.html
http://www.securityfocus.com/bid/2540
https://exchange.xforce.ibmcloud.com/vulnerabilities/6321
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3831
https://www.debian.org/security/2001/dsa-045

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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.