VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published CVSS 9.6 criticalEPSS 21.3% probability of exploitation in 30 days
Fortinet

CVE-2023-34993: A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWLM ver…

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . It cites 503 public reports, the first from . VulnCheck's own honeypots also recorded exploitation attempts.

How likely is exploitation in the next 30 days?
21.3%

EPSS score, percentile 97.6 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?
9.6 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

Please upgrade to FortiWLM version 8.6.6 or above Please upgrade to FortiWLM version 8.5.5 or aboveSolution from the CVE record.

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • 8.6.0 through 8.6.5
  • 8.5.0 through 8.5.4

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

A improper neutralization of special elements used in an os command ('os command injection') 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 specifically crafted http get request parameters.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
Fortinet FortiWLM
StatusVersions
Affected8.6.0 through 8.6.5
Affected8.5.0 through 8.5.4

Versions not listed are: unaffected.

Source: CVE List, as of . About the data.

Weakness

CWE-78

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

1

Known exploited Fortinet vulnerabilities

  • CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability (added )
  • CVE-2026-104286: Fortinet FortiMail Path Traversal Vulnerability (added )
  • CVE-2025-25249: Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability (added )
  • CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (added )
  • CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability (added )