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[email protected]CVE-2021-26088

HistoryJul 12, 2021 - 2:15 p.m.

CVE-2021-26088

2021-07-1214:15:08

CWE-287

[email protected]

web.nvd.nist.gov

cve-2021-26088

improper authentication

fsso collector

vulnerability

firewall policy

udp

network access

5.8 Medium

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.6 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

JSON

An improper authentication vulnerability in FSSO Collector version 5.0.295 and below may allow an unauthenticated user to bypass a FSSO firewall policy and access the protected network via sending specifically crafted UDP login notification packets.

Affected configurations

NVD

Node

fortinetfortinet_single_sign-onRange<6.4.6

fortinetfortinet_single_sign-onRange7.0.0–7.0.1

CPENameOperatorVersion
fortinet:fortinet_single_sign-onfortinet fortinet single sign-onlt6.4.6
fortinet:fortinet_single_sign-onfortinet fortinet single sign-onlt7.0.1

CPE	Name	Operator	Version
fortinet:fortinet_single_sign-on	fortinet fortinet single sign-on	lt	6.4.6
fortinet:fortinet_single_sign-on	fortinet fortinet single sign-on	lt	7.0.1

CNA Affected

[
  {
    "product": "Fortinet FSSO Windows DC Agent, FSSO Windows CA",
    "vendor": "Fortinet",
    "versions": [
      {
        "status": "affected",
        "version": "FSSO Windows DC Agent 5.0.295, 5.0.294; FSSO Windows CA 5.0.295, 5.0.294"
      }
    ]
  }
]

References

fortiguard.com/advisory/FG-IR-20-191

5.8 Medium

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.6 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.8%

JSON

Related for CVE-2021-26088

cvelist1 prion1 nvd1 githubexploit1 fortinet1