FortiOS
CVE-2023-42785: A null pointer dereference in FortiOS versions 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0 all versions,…
A null pointer dereference in FortiOS versions 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0 all versions, 6.4 all versions , 6.2 all versions and 6.0 all versions allows attacker to trigger a denial of service via a crafted http request.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiOS 7.4.0 to 7.4.1 | 7.4.2 or later |
| FortiOS 7.2.0 to 7.2.5 | 7.2.6 or later |
| FortiOS 7.0.0 to 7.0.16 | Upgrade past 7.0.16; see the advisory |
| FortiOS 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
| FortiOS 6.2.0 to 6.2.16 | Upgrade past 6.2.16; see the advisory |
| FortiOS 6.0.0 to 6.0.18 | Upgrade past 6.0.18; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A null pointer dereference in FortiOS versions 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0 all versions, 6.4 all versions , 6.2 all versions and 6.0 all versions allows attacker to trigger a denial of service via a crafted http request.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.