CVE-2022-42475 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-12-13
A heap-based buffer overflow vulnerability in Fortinet FortiOS and FortiProxy SSL-VPN allows a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests. This vulnerability has been observed being exploited in the wild.
Yes. CVE-2022-42475 is known to be exploited in the wild, first recorded on 13 December 2022. Treat it as urgent.
How severe is CVE-2022-42475?
Critical severity, with a CVSS score of 9.8, published 13 December 2022.
Which products and versions are affected?
Fortinet 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; Fortinet FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier.
Is there a fix for CVE-2022-42475?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-42475 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2022-42475?
Check whether you run Fortinet FortiADC, Fortinet FortiOS, Fortinet FortiProxy or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Fortinet 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
Fortinet FortiProxy SSL-VPN 7.2.0 through 7.2.1, 7.0.7 and earlier
Timeline
2022-12-13: disclosed
2022-12-13: kev added: Added to CISA Known Exploited Vulnerabilities Catalog