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FortinetCVE-2021-36167

HistoryDec 09, 2021 - 10:15 a.m.

CVE-2021-36167

2021-12-0910:15:11

fortinet

web.nvd.nist.gov

cve-2021-36167

cwe-285

forticlient

windows

vulnerability

webfilter

bypass

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

39.0%

JSON

An improper authorization vulnerabiltiy [CWE-285] in FortiClient Windows versions 7.0.0 and 6.4.6 and below and 6.2.8 and below may allow an unauthenticated attacker to bypass the webfilter control via modifying the session-id paramater.

Affected configurations

Nvd

Node

fortinetforticlientRange6.4.0–6.4.6windows

fortinetforticlientMatch6.2.7windows

fortinetforticlientMatch7.0.0windows

VendorProductVersionCPE
fortinetforticlient*cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
fortinetforticlient6.2.7cpe:2.3:a:fortinet:forticlient:6.2.7:*:*:*:*:windows:*:*
fortinetforticlient7.0.0cpe:2.3:a:fortinet:forticlient:7.0.0:*:*:*:*:windows:*:*

Vendor	Product	Version	CPE
fortinet	forticlient	*	cpe:2.3:a:fortinet:forticlient::::::windows::*
fortinet	forticlient	6.2.7	cpe:2.3:a:fortinet:forticlient:6.2.7:::::windows::
fortinet	forticlient	7.0.0	cpe:2.3:a:fortinet:forticlient:7.0.0:::::windows::

CNA Affected

[
  {
    "product": "Fortinet FortiClientWindows",
    "vendor": "Fortinet",
    "versions": [
      {
        "status": "affected",
        "version": "FortiClientWindows 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0"
      }
    ]
  }
]

References

fortiguard.com/advisory/FG-IR-20-127

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

39.0%

JSON

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