THREATPORT/VULNERABILITY/CVE-2001-0534
HIGH SEVERITY

CVE-2001-0534

Radius vulnerability

CVSS
10.0
EPSS
6.7%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Lucent
Affected product
Radius
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
2001-07-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 6.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2001-0534

  • Confirm whether Lucent Radius is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2001-0534.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0534

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0534 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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