CVE-1999-1509

Eserv vulnerability

CVSS

5.0

EPSS

8.3%

EPSS pct

94th

Exploited

No known

Directory traversal vulnerability in Etype Eserv 2.50 web server allows a remote attacker to read any file in the file system via a .. (dot dot) in a URL.

Affected vendor

Etype

Affected product

Eserv

CVSS vector

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

Published

1999-11-04

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 confidentiality.

Its EPSS score of 8.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-1999-1509

Confirm whether Etype Eserv is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-1999-1509.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-1999-1509

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-1999-1509 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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