CVE-2007-4256

Portal Systems vulnerability

CVSS

5.0

EPSS

6.4%

EPSS pct

93th

Exploited

No known

Directory traversal vulnerability in showpage.cgi in YNP Portal System 2.2.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the p parameter.

Affected vendor

Ynp

Affected product

Portal Systems

CVSS vector

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

Published

2007-08-08

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 6.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2007-4256

Confirm whether Ynp Portal Systems is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-4256.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-4256

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-4256 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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