Is CVE-2023-34990 in the CISA KEV catalog?

No. CVE-2023-34990 is not currently on the CISA Known Exploited Vulnerabilities list.

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

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

What is the EPSS score for CVE-2023-34990?

CVE-2023-34990 has an EPSS score of 24.90% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-34990?

Upgrade fortiwlm to 8.6.6 or later.

CVE & CISA-KEV Catalog

CVE-2023-34990

CRITICALEPSS 98th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-23 CWE-94Code Injection

How to fix

Remediation Available

fortiwlmNVD

Affected:>= 8.6.0, < 8.6.6Fixed in:8.6.6CVE-2023-34990derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

24.90%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Vendor Advisory1

fortiguard.com

Related Vulnerabilities

Other CWE-23 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-27199	High	7.3	100%	KEV + Ransom	Fix
CVE-2020-5410	High	7.5	96%	KEV	Fix
CVE-2021-40870	Critical	9.8	93%	KEV	Fix
CVE-2025-64446	Critical	9.8	89%	KEV	Fix
CVE-2020-5405	Medium	6.5	69%	-	Fix
CVE-2025-55752	High	7.5	67%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-06-05.