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Fencer Vulns
high 8.8

CVE-2021-26097 json

An improper neutralization of special elements used in an OS Command vulnerability in FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4…

published 2021-08-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12918

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

An improper neutralization of special elements used in an OS Command vulnerability in FortiSandbox 3.2.0 through 3.2.2, 3.1.0 through 3.1.4, and 3.0.0 through 3.0.6 may allow an authenticated attacker with access to the web GUI to execute unauthorized code or commands via specifically crafted HTTP requests.

Patch / fix

  • fortinet fortisandbox 3.0.7, 3.1.5, 3.2.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:X
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • Fortinet Fortinet FortiSandbox

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.