9.3
Critical
Exploited
· ransomware
CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-197
Description
A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0 through 6.4.10, 6.2.0 through 6.2.11, 6.0.15 and earlier and FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| FortiProxy 7.2 | 7.2.0 → 7.2.1 | No fix stated |
| FortiProxy 7.0 | 7.0.0 → 7.0.7 | No fix stated |
| FortiProxy 2.0 | 2.0.0 → 2.0.11 | No fix stated |
| FortiProxy 1.2 | 1.2.0 → 1.2.13 | No fix stated |
| FortiProxy 1.1 | 1.1.0 → 1.1.6 | No fix stated |
| FortiProxy 1.0 | 1.0.0 → 1.0.7 | No fix stated |
| FortiOS 7.2 | 7.2.0 → 7.2.2 | No fix stated |
| FortiOS 7.0 | 7.0.0 → 7.0.8 | No fix stated |
| FortiOS 6.4 | 6.4.0 → 6.4.10 | No fix stated |
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References
- fortiguard.com fortiguard.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
Other CVEs of FortiProxy
The 110 CVEs of FortiProxy →
CVE-2026-106175
A Double Free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.8, FortiOS 7.4 all versions,…
2.1
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CVE-2026-84392
A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiOS 7.4 all versions, FortiOS 7.2 all…
2.5
Low
CVE-2026-84393
A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6,…
7.3
High
CVE-2026-71407
A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an…
5.1
Medium