CVE-1999-0970

Omnihttpd vulnerability

CVSS

5.0

EPSS

3.2%

EPSS pct

87th

Exploited

No known

The OmniHTTPD visadmin.exe program allows a remote attacker to conduct a denial of service via a malformed URL which causes a large number of temporary files to be created.

Affected vendor

Omnicron

Affected product

Omnihttpd

CVSS vector

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

Published

1999-06-05

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 3.2% 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-1999-0970

Confirm whether Omnicron Omnihttpd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-0970.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-0970

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-0970 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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