CVE-2023-33307

MEDIUMNVD 6.56.5—

6.5

A null pointer dereference in Fortinet FortiOS before 7.2.5 and before 7.0.11, FortiProxy before 7.2.3 and before 7.0.9 allows attacker to denial of sslvpn service via specifically crafted request in network parameter.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 24.6%
KEV: Not listed

Published

June 16, 2023

Last Modified

November 21, 2024

References (3)

psirt@fortinethttps://fortiguard.com/psirt/FG-IR-23-015
nvd@nisthttps://exchange.xforce.ibmcloud.com/vulnerabilities/258201
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-23-015

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-33307?

CVE-2023-33307 is a medium vulnerability published on June 16, 2023. A null pointer dereference in Fortinet FortiOS before 7.2.5 and before 7.0.11, FortiProxy before 7.2.3 and before 7.0.9 allows attacker to denial of sslvpn service via specifically crafted request in network parameter.

When was CVE-2023-33307 disclosed?

CVE-2023-33307 was first published in the National Vulnerability Database on June 16, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-33307 actively exploited?

CVE-2023-33307 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-33307?

CVE-2023-33307 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-33307?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-33307, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-33307

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-33307?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (3)

Frequently asked(5)

Related CVEs(same CWE)