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Fencer Vulns
critical 9.8

CVE-2023-34993 in the critical feed json

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiWLM version 8.6.0 through 8.6…

published 2023-10-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39031

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
21.3%
EPSS 21.3% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known, plus a Nuclei check

Summary

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.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

21.32% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Fortinet FortiWLM Unauthenticated Command Injection Vulnerability nuclei detection template

CVSS scores

assigned by version score vector
CNA 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:X
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Fortinet FortiWLM

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.