CVE-2023-36553

Fortinet Fortisiem command injection

9.8 CRITICALEPSS 1.88%

Published14 Nov 2023

Description

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiSIEM version 5.4.0 and 5.3.0 through 5.3.3 and 5.2.5 through 5.2.8 and 5.2.1 through 5.2.2 and 5.1.0 through 5.1.3 and 5.0.0 through 5.0.1 and 4.10.0 and 4.9.0 and 4.7.2 allows attacker to execute unauthorized code or commands via crafted API requests.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Fortinet Fortisiem≥ 5.1.0 ≤ 5.1.3 · 4.10.0 · 4.7.2 · 4.9.0

Remediation

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

Frequently asked

Is CVE-2023-36553 being actively exploited?

CVE-2023-36553 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.88%.

How severe is CVE-2023-36553?

CVE-2023-36553 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.88% probability of exploitation.

Which products are affected by CVE-2023-36553?

Affected products include Fortinet Fortisiem.

How do I fix CVE-2023-36553?

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-2023-36553 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.