CVE-2021-26109

8.1HIGH

Key Information:

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

Summary

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

Affected Version(s)

Fortinet FortiOS FortiOS before 7.0.1

References

https://fortiguard.com/advisory/FG-IR-21-049
x_refsource_CONFIRM

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.