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CVE-2025-22927

Os4ed Opensis path traversal

9.1 CRITICALEPSS 0.78%
  1. Published3 Apr 2025

Description

An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Os4ed Opensis≥ 8.0 ≤ 9.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-22927 being actively exploited?

CVE-2025-22927 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.78%.

How severe is CVE-2025-22927?

CVE-2025-22927 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.78% probability of exploitation.

Which products are affected by CVE-2025-22927?

Affected products include Os4ed Opensis.

How do I fix CVE-2025-22927?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-22927 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.