CVE-2022-42475
Last modified
CVE-2022-42475 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortios | >= 5.0.0, <= 5.0.14 |
| Fortinet | Fortios | >= 5.2.0, <= 5.2.15 |
| Fortinet | Fortios | >= 5.4.0, <= 5.4.13 |
| Fortinet | Fortios | >= 5.6.0, <= 5.6.14 |
| Fortinet | Fortios | >= 6.0.0, < 6.0.16 |
| Fortinet | Fortios | >= 6.2.0, < 6.2.12 |
| Fortinet | Fortios | >= 6.4.0, < 6.4.11 |
| Fortinet | Fortios | >= 7.0.0, < 7.0.9 |
| Fortinet | Fortios | >= 7.2.0, < 7.2.3 |
| Fortinet | Fortiproxy | >= 1.0.0, <= 1.0.7 |
| Fortinet | Fortiproxy | >= 1.1.0, <= 1.1.6 |
| Fortinet | Fortiproxy | >= 1.2.0, <= 1.2.13 |
| Fortinet | Fortiproxy | >= 2.0.0, < 2.0.12 |
| Fortinet | Fortiproxy | >= 7.0.0, < 7.0.8 |
| Fortinet | Fortiproxy | >= 7.2.0, < 7.2.2 |
| Fortinet | Fortios | >= 6.0.0, < 6.0.15 |
| Fortinet | Fortios | >= 6.4.0, < 6.4.10 |
| Fortinet | Fortios | >= 7.0.0, < 7.0.8 |
References
- https://fortiguard.com/psirt/FG-IR-22-398Exploit, Mitigation, Vendor Advisory
- https://fortiguard.com/psirt/FG-IR-22-398Exploit, Mitigation, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42475US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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