Authentication Bypass Vulnerability in Fortinet FortiWeb Products
CVE-2021-41025

7.3HIGH

Key Information:

Vendor
Fortinet
Status
Fortinet Fortiweb
Vendor
CVE Published:
8 December 2021

Summary

Multiple vulnerabilities have been identified within the authentication mechanism of FortiWeb, impacting numerous versions. These vulnerabilities involve an instance of concurrent execution using a shared resource with improper synchronization, as well as authentication bypass via replay attacks. Successfully exploiting these issues could enable remote, unauthenticated attackers to evade authentication processes and gain unauthorized access as legitimate cluster peers, posing a significant threat to the security of affected systems.

Affected Version(s)

Fortinet FortiWeb FortiWeb 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 thorugh 6.0.7

References

https://fortiguard.com/advisory/FG-IR-21-130
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CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.