CVE-2021-26109
High
Description
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Fortinet Fortios
PublishedDec 8, 2021
First seenDec 8, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortios | 6.0.0 ≤ v ≤ 6.0.12, 6.2.0 ≤ v ≤ 6.2.9, 6.4.0 ≤ v ≤ 6.4.5, 7.0.0 | — |
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