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Fencer Vulns
medium 4.1

CVE-2021-36175 json

An improper neutralization of input vulnerability [CWE-79] in FortiWebManager versions 6.2.3 and below, 6.0.2 and below may allow a remote…

published 2021-10-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22796

cvss
4.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

An improper neutralization of input vulnerability [CWE-79] in FortiWebManager versions 6.2.3 and below, 6.0.2 and below may allow a remote authenticated attacker to inject malicious script/tags via the name/description/comments parameter of various sections of the device.

Patch / fix

  • fortinet fortiweb 6.2.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:F/RL:X/RC:X
CNA 3.1 4.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Fortinet Fortinet FortiWebManager

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
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.