How severe is CVE-2007-4256?

CVE-2007-4256 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-4256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4256?

CVE-2007-4256 affects Ynp Portal Systems. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4256 published?

CVE-2007-4256 was published on 2007-08-08 and last updated on 2026-06-16.

CVE-2007-4256

CVE-2007-4256 is a medium-severity vulnerability in Ynp Portal Systems with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ynp Portal Systems
Published: 2007-08-08
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-4256?: 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.
How severe is CVE-2007-4256?: CVE-2007-4256 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-4256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4256?: CVE-2007-4256 affects Ynp Portal Systems. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4256 published?: CVE-2007-4256 was published on 2007-08-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ynp:portal_systems:2.2.0:*:*:*:*:*:*:*