How severe is CVE-2002-0432?

CVE-2002-0432 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2002-0432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0432?

CVE-2002-0432 affects Citadel Ux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2002-0432 published?

CVE-2002-0432 was published on 2002-07-26 and last updated on 2026-06-16.

CVE-2002-0432

CVE-2002-0432 is a critical-severity vulnerability in Citadel Ux with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Citadel Ux
Published: 2002-07-26
Last modified: 2026-06-16

Description

Buffer overflow in (1) lprintf and (2) cprintf in sysdep.c of Citadel/UX 5.90 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attacks such as a long HELO command to the SMTP server.

Frequently asked questions

What is CVE-2002-0432?: Buffer overflow in (1) lprintf and (2) cprintf in sysdep.c of Citadel/UX 5.90 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via attacks such as a long HELO command to the SMTP server.
How severe is CVE-2002-0432?: CVE-2002-0432 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2002-0432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0432?: CVE-2002-0432 affects Citadel Ux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2002-0432 published?: CVE-2002-0432 was published on 2002-07-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:citadel:ux:*:*:*:*:*:*:*:*

More vulnerabilities in Citadel Ux

CVE-2004-1192 — Critical (CVSS 10.0): Format string vulnerability in the lprintf function in Citadel/UX 6.27 and earlier allows remote attackers to execute…
CVE-2004-1705 — Medium (CVSS 5.0): Buffer overflow in Citadel/UX 6.23 and earlier allows remote attackers to cause a denial of service via a long username.

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