THREATPORT/VULNERABILITY/CVE-1999-0853
HIGH SEVERITY

CVE-1999-0853

Enterprise Server vulnerability

CVSS
10.0
EPSS
3.4%
EPSS pct
88th
Exploited
No known
Buffer overflow in Netscape Enterprise Server and Netscape FastTrack Server allows remote attackers to gain privileges via the HTTP Basic Authentication procedure.
Affected vendor
Netscape
Affected product
Enterprise Server
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
1999-12-01

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 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-1999-0853

  • Confirm whether Netscape Enterprise Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-1999-0853.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-0853

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-0853 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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