CVE-2023-25610: Fortinet FortiOS remote code execution (CVSS 9.8)

Description

A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.6, version 6.4.0 through 6.4.11 and version 6.2.12 and below, FortiProxy version 7.2.0 through 7.2.2, version 7.0.0 through 7.0.8, version 2.0.12 and below and FortiOS-6K7K version 7.0.5, version 6.4.0 through 6.4.10 and version 6.2.0 through 6.2.10 and below allows a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted 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 Fortianalyzer≥ 6.0.0 < 6.0.12 · ≥ 6.2.0 < 6.2.11 · ≥ 6.4.0 < 6.4.12 · ≥ 7.0.0 < 7.0.5

Fortinet Fortimanager≥ 6.0.0 < 6.0.12 · ≥ 6.2.0 < 6.2.11 · ≥ 6.4.0 < 6.4.12 · ≥ 7.0.0 < 7.0.5

Fortinet Fortios-6k7k≥ 6.0.4 < 6.2.13 · ≥ 6.4.2 < 6.4.12 · 7.0.5

Fortinet FortiProxy≥ 1.1.0 < 7.0.9 · ≥ 7.2.0 < 7.2.3

Fortinet Fortiswitchmanager≥ 7.0.0 < 7.0.2 · ≥ 7.2.0 < 7.2.2

Fortinet FortiWeb≥ 6.1.0 < 6.1.4 · ≥ 6.2.0 < 6.2.8 · ≥ 6.3.0 < 6.3.23 · ≥ 6.4.0 < 6.4.3

Fortinet FortiOS≥ 5.0.0 < 6.2.13 · ≥ 6.4.0 < 6.4.12 · ≥ 7.0.0 < 7.0.10 · ≥ 7.2.0 < 7.2.4

Fortinet Fortiswitch≥ 7.0.0 < 7.0.7 · ≥ 7.2.0 < 7.2.4

Remediation

Fixed in

Fortinet Fortianalyzer≥ 6.0.12

Fortinet Fortimanager≥ 6.0.12

Fortinet Fortios-6k7k≥ 6.2.13

Fortinet FortiProxy≥ 7.0.9

Fortinet Fortiswitchmanager≥ 7.0.2

Fortinet FortiWeb≥ 6.1.4

Fortinet FortiOS≥ 6.2.13

Fortinet Fortiswitch≥ 7.0.7

Patch & vendor advisories

https://fortiguard.com/psirt/FG-IR-23-001

References

https://fortiguard.com/psirt/FG-IR-23-001Vendor Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2023-25610 being actively exploited?

CVE-2023-25610 is not in the CISA KEV catalog. Its EPSS exploit probability is 18.3%.

How severe is CVE-2023-25610?

CVE-2023-25610 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 18.3% probability of exploitation.

Which products are affected by CVE-2023-25610?

Affected products include Fortinet Fortianalyzer, Fortinet Fortimanager, Fortinet Fortios-6k7k, Fortinet FortiProxy, Fortinet Fortiswitchmanager, and 3 more.

How do I fix CVE-2023-25610?

Upgrade affected software to a fixed version, for example Fortinet Fortianalyzer 6.0.12, Fortinet Fortimanager 6.0.12, Fortinet Fortios-6k7k 6.2.13 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-25610 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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