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Vulnerability record · CVE-2001-0534 · published 21 July 2001

CVE-2001-0534: Lucent radius vulnerability

Lucent · Radius

Multiple buffer overflows in RADIUS daemon radiusd in (1) Merit 3.6b and (2) Lucent 2.1-2 RADIUS allow remote attackers to cause a denial of service or execute arbitrary commands.

10.0 CVSS 2.0 High EPSS 6.7% · top 6.3%
10.0CVSS 2.0 base score
6.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

Multiple buffer overflows in RADIUS daemon radiusd in (1) Merit 3.6b and (2) Lucent 2.1-2 RADIUS allow remote attackers to cause a denial of service or execute arbitrary commands.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.kb.cert.org/vuls/id/898931 US Government Resource
http://www.securityfocus.com/bid/2989
http://xforce.iss.net/alerts/alerts.php
http://www.kb.cert.org/vuls/id/898931 US Government Resource
http://www.securityfocus.com/bid/2989
http://xforce.iss.net/alerts/alerts.php

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2001-1376Ascend radius vulnerabilityBuffer overflow in digest calculation function of multiple RADIUS implementations allows remote attackers to cause a denial of service and possibly e…EPSS 8.5%7.5CVE-2001-1081Lucent radius vulnerabilityFormat string vulnerabilities in Livingston/Lucent RADIUS before 2.1.va.1 may allow local or remote attackers to cause a denial of service and possib…EPSS 2.8%5.0CVE-2001-1377Freeradius vulnerabilityMultiple RADIUS implementations do not properly validate the Vendor-Length of the Vendor-Specific attribute, which allows remote attackers to cause a…EPSS 5.4%5.0CVE-2001-1082Lucent radius vulnerabilityDirectory traversal vulnerability in Livingston/Lucent RADIUS before 2.1.va.1 may allow attackers to read arbitrary files via a .. (dot dot) attack.EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2001-0534), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.