Vulnerability Details : 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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-26088
- cpe:2.3:a:fortinet:fortinet_single_sign-on:*:*:*:*:*:*:*:*
- cpe:2.3:a:fortinet:fortinet_single_sign-on:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26088
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26088
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:P |
6.5
|
6.4
|
NIST | |
|
9.6
|
CRITICAL | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
2.8
|
3.7
|
Fortinet, Inc. |
CWE ids for CVE-2021-26088
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-26088
-
https://fortiguard.com/advisory/FG-IR-20-191
FortiGuardVendor Advisory
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