Is CVE-2023-33308 actively exploited?

No active exploitation of CVE-2023-33308 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-33308 be exploited remotely?

Yes. CVE-2023-33308 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-33308?

CVE-2023-33308 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-33308

CWE-121Published: July 26, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A stack-based overflow vulnerability [CWE-124] in Fortinet FortiOS version 7.0.0 through 7.0.10 and 7.2.0 through 7.2.3 and FortiProxy version 7.0.0 through 7.0.9 and 7.2.0 through 7.2.2 allows a remote unauthenticated attacker to execute arbitrary code or command via crafted packets reaching proxy policies or firewall policies with proxy mode alongside deep or full packet inspection.

NVD Source

Technical Analysis

CVE-2023-33308 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.