THREATPORT/VULNERABILITY/CVE-2000-0221
MEDIUM SEVERITY

CVE-2000-0221

Nautica Marlin vulnerability

CVSS
5.0
EPSS
5.3%
EPSS pct
92th
Exploited
No known
The Nautica Marlin bridge allows remote attackers to cause a denial of service via a zero length UDP packet to the SNMP port.
Affected vendor
Nortel
Affected product
Nautica Marlin
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2000-02-25

Risk analysis

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

Its EPSS score of 5.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2000-0221

  • Confirm whether Nortel Nautica Marlin is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2000-0221.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2000-0221

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2000-0221 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2000-0221?

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