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Fencer Intel
high 8.3

CVE-2021-43067 json

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version…

published 4y ago modified 4mo ago also EUVD-2021-30020

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2y ago

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L/E:P/RL:X/RC:X
CNA 3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Fortinet Fortinet FortiAuthenticator

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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.