Vulnerability Intelligence Report
CVE-2021-26109
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.
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
Temporal Score:7.7
EPSS Probability:1.82%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortinet | Fortinet FortiOS | FortiOS before 7.0.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.823%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortinet, Inc. · Vendor · USA |
| Reserved | 2021-01-25T00:00:00 |
| Published | 2021-12-08T12:22:19 |
| Last Updated | 2024-10-25T13:40:48 |
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