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
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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