MEDIUM SEVERITY

CVE-2000-0569

Sygate vulnerability

CVSS
5.0
EPSS
3.3%
EPSS pct
87th
Exploited
No known
Sybergen Sygate allows remote attackers to cause a denial of service by sending a malformed DNS UDP packet to its internal interface.
Affected vendor
Sybergen
Affected product
Sygate
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published
2000-06-30

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 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2000-0569

  • Confirm whether Sybergen Sygate is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2000-0569.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2000-0569

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2000-0569 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2000-0569?

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