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Vulnerability CVE-2021-26109
Published: 2021-12-08
| 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. |
Type:
CWE-190 (Integer Overflow or Wraparound)
CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)
| CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
7.5/10 |
6.4/10 |
10/10 |
| Exploit range |
Attack complexity |
Authentication |
Remote |
Low |
No required |
| Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
Partial |
Partial |
References: |
https://fortiguard.com/advisory/FG-IR-21-049
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