CVE-2022-42475: listed in the CISA KEV catalog

CVE-2022-42475 · CVSS 9.8 CRITICAL · EPSS 99% · KEV 2022-12-13

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.

Is CVE-2022-42475 exploited?

• Listed in the CISA KEV catalog on 2022-12-13.
• Federal remediation due 2023-01-03.
• Past that date by 1320 days.
• Used in ransomware campaigns.
• EPSS puts exploitation in the next 30 days at 99%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2022-42475

• Patched FortiGates Still Leak Access Through Old Credentials (2026-07-09)
• Exposed Staging Server Shows Perimeter Breaches Spreading Inward (2026-06-19)

Primary sources

• NVD record
• CISA KEV catalog

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.