CVE-2023-34990

CRITICALNVD 9.89.8—Elevated

9.8

A relative path traversal in Fortinet FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 allows attacker to execute unauthorized code or commands via specially crafted web requests.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 98.8%
KEV: Not listed

Published

December 18, 2024

Last Modified

June 5, 2025

Advisory Details (1)

Auto-updated Jun 1, 2026

No patch confirmed yet.

generic

PSIRT | FortiGuard Labs

https://fortiguard.com/psirt/FG-IR-23-144

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 13× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-24 16:52 UTCepss_batch
2026-05-23 16:18 UTCEG score recompute
2026-05-23 16:18 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2023/CVE-2023-34990.yaml
First seen Jan 1, 2023
FortiWLM - Directory Traversal
Open source ↗

Frequently asked(5)

What is CVE-2023-34990?

CVE-2023-34990 is a critical vulnerability published on December 18, 2024. A relative path traversal in Fortinet FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 allows attacker to execute unauthorized code or commands via specially crafted web requests.

When was CVE-2023-34990 disclosed?

CVE-2023-34990 was first published in the National Vulnerability Database on December 18, 2024, with the most recent update on June 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-34990 actively exploited?

CVE-2023-34990 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-34990?

CVE-2023-34990 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-34990?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-34990, 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-2023-34990

📅 Published

🔄 Last Modified

📋 Advisory Details (1)