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CVE-2024-8926

PHP command injection

8.1 HIGHPublic exploitEPSS 3.66%
  1. Published8 Oct 2024

Description

In PHP versions 8.1.* before 8.1.30, 8.2.* before 8.2.24, 8.3.* before 8.3.12, when using a certain non-standard configurations of Windows codepages, the fixes for  CVE-2024-4577 https://github.com/advisories/GHSA-vxpp-6299-mxw3  may still be bypassed and the same command injection related to Windows "Best Fit" codepage behavior can be achieved. This may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.

CVSS 3.1 breakdown

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

Affected products

PHP≥ 8.1.0 < 8.1.30 · ≥ 8.2.0 < 8.2.24 · ≥ 8.3.0 < 8.3.12

Remediation

Fixed in
PHP≥ 8.1.30

References

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Frequently asked

Is CVE-2024-8926 being actively exploited?

CVE-2024-8926 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 3.66%.

How severe is CVE-2024-8926?

CVE-2024-8926 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 3.66% probability of exploitation.

Which products are affected by CVE-2024-8926?

Affected products include PHP.

How do I fix CVE-2024-8926?

Upgrade affected software to a fixed version, for example PHP 8.1.30 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-8926 against the real software inventory on every managed device, every day. 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.