CVE-2021-26088

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
fortinetCNA
7.1 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CVEADP
---
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CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
fortinetfortinet_single_sign-on
𝑥
< 6.4.6
fortinetfortinet_single_sign-on
7.0.0 ≤
𝑥
< 7.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://fortiguard.com/advisory/FG-IR-20-191
https://fortiguard.com/advisory/FG-IR-20-191