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Fencer Intel
high 7.8

CVE-2021-26106 json

An improper neutralization of special elements used in an OS Command vulnerability in FortiAP's console 6.4.1 through 6.4.5 and 6.2.4 throu…

published 5y ago modified 4mo ago also EUVD-2021-12927

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

An improper neutralization of special elements used in an OS Command vulnerability in FortiAP's console 6.4.1 through 6.4.5 and 6.2.4 through 6.2.5 may allow an authenticated attacker to execute unauthorized commands by running the kdbg CLI command with specifically crafted arguments.

Patch / fix

  • fortinet fortiap 6.4.6
  • fortinet fortiap-s 6.2.6
  • fortinet fortiap-w2 6.2.6

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2y ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Fortinet Fortinet FortiAP-W2, FortiAP-S, FortiAP

Classification

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

References

Sources

Fencer Intel 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.