FortiOS
CVE-2022-23439: Externally controlled reference to a resource in another sphere in FortiTester, FortiOS and others
A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison web caches via crafted HTTP requests, where the `Host` header points to an arbitrary webserver
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 4.1
EPSS0.45%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
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 |
|---|---|
| FortiTester 7.2.0 to 7.2.1 | 7.2.2 or later |
| FortiTester 7.1.0 to 7.1.1 | Upgrade past 7.1.1; see the advisory |
| FortiTester 7.0 | See the advisory |
| FortiTester 4.2.0 to 4.2.1 | Upgrade past 4.2.1; see the advisory |
| FortiTester 4.1.0 to 4.1.1 | Upgrade past 4.1.1; see the advisory |
| FortiTester 4.0 | See the advisory |
| FortiTester 3.9.0 to 3.9.2 | Upgrade past 3.9.2; see the advisory |
| FortiTester 3.8 | See the advisory |
| FortiTester 3.7.0 to 3.7.1 | Upgrade past 3.7.1; see the advisory |
| FortiTester 3.6 | See the advisory |
| FortiTester 3.5.0 to 3.5.1 | Upgrade past 3.5.1; see the advisory |
| FortiTester 3.4 | See the advisory |
| FortiTester 3.3.0 to 3.3.1 | Upgrade past 3.3.1; see the advisory |
| FortiOS 7.2 | 7.2.5 or later |
| FortiOS 7.0.0 to 7.0.5 | 7.0.12 or later |
| FortiOS 6.4.0 to 6.4.16 | 6.4.13 or later |
| FortiOS 6.2.0 to 6.2.17 | Upgrade past 6.2.17; see the advisory |
| FortiOS 6.0.0 to 6.0.18 | Upgrade past 6.0.18; see the advisory |
| FortiOS 6.4 | 6.4.* or later |
| FortiRecorder 6.4.0 to 6.4.2 | 6.4.3 or later |
| FortiRecorder 6.0.0 to 6.0.10 | 6.0.11 or later |
| FortiRecorder 2.7.0 to 2.7.7 | Upgrade past 2.7.7; see the advisory |
| FortiRecorder 2.6.0 to 2.6.3 | Upgrade past 2.6.3; see the advisory |
| FortiNDR 7.2 | 7.2.1 or later |
| FortiNDR 7.1 | 7.1.1 or later |
| FortiNDR 7.0.0 to 7.0.7 | Upgrade past 7.0.7; see the advisory |
| FortiNDR 1.5.0 to 1.5.3 | Upgrade past 1.5.3; see the advisory |
| FortiNDR 1.4 | See the advisory |
| FortiNDR 1.3.0 to 1.3.1 | Upgrade past 1.3.1; see the advisory |
| FortiNDR 1.2 | See the advisory |
| FortiNDR 1.1 | See the advisory |
| FortiADC 7.0.0 to 7.0.1 | 7.0.2 or later |
| FortiADC 6.2.0 to 6.2.3 | 6.2.4 or later |
| FortiADC 6.1.0 to 6.1.6 | Upgrade past 6.1.6; see the advisory |
| FortiADC 6.0.0 to 6.0.4 | Upgrade past 6.0.4; see the advisory |
| FortiADC 5.4.0 to 5.4.5 | Upgrade past 5.4.5; see the advisory |
| FortiADC 5.3.0 to 5.3.7 | Upgrade past 5.3.7; see the advisory |
| FortiADC 5.2.0 to 5.2.8 | Upgrade past 5.2.8; see the advisory |
| FortiADC 5.1.0 to 5.1.7 | Upgrade past 5.1.7; see the advisory |
| FortiADC 5.0.0 to 5.0.4 | Upgrade past 5.0.4; see the advisory |
| FortiManager 7.4.0 to 7.4.3 | Upgrade past 7.4.3; see the advisory |
| FortiManager 7.2.0 to 7.2.11 | Upgrade past 7.2.11; see the advisory |
| FortiManager 7.0.0 to 7.0.15 | Upgrade past 7.0.15; see the advisory |
| FortiManager 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
| FortiManager 6.2.0 to 6.2.13 | Upgrade past 6.2.13; see the advisory |
| FortiVoice 7.0.0 to 7.0.1 | 7.0.2 or later |
| FortiVoice 6.4.0 to 6.4.8 | 6.4.9 or later |
| FortiVoice 6.0.0 to 6.0.11 | Upgrade past 6.0.11; see the advisory |
| FortiSOAR on-premise 7.2.0 to 7.2.2 | Upgrade past 7.2.2; see the advisory |
| FortiSOAR on-premise 7.0.0 to 7.0.3 | Upgrade past 7.0.3; see the advisory |
| FortiSOAR on-premise 6.4.3 to 6.4.4 | Upgrade past 6.4.4; see the advisory |
| FortiSOAR on-premise 6.4.0 to 6.4.1 | Upgrade past 6.4.1; see the advisory |
| FortiDDoS 5.5.0 to 5.5.1 | 5.5.2 or later |
| FortiDDoS 5.4.0 to 5.4.3 | Upgrade past 5.4.3; see the advisory |
| FortiDDoS 5.3.0 to 5.3.2 | Upgrade past 5.3.2; see the advisory |
| FortiDDoS 5.2 | See the advisory |
| FortiDDoS 5.1 | See the advisory |
| FortiDDoS 5.0 | See the advisory |
| FortiDDoS 4.7 | See the advisory |
| FortiDDoS 4.6 | See the advisory |
| FortiDDoS 4.5 | See the advisory |
| FortiWLC 8.6.0 to 8.6.7 | 8.6.7 or later |
| FortiWLC 8.5.0 to 8.5.5 | Upgrade past 8.5.5; see the advisory |
| FortiWLC 8.4.4 to 8.4.8 | Upgrade past 8.4.8; see the advisory |
| FortiWLC 8.4.0 to 8.4.2 | Upgrade past 8.4.2; see the advisory |
| FortiAnalyzer 7.4.0 to 7.4.2 | Upgrade past 7.4.2; see the advisory |
| FortiAnalyzer 7.2.0 to 7.2.11 | Upgrade past 7.2.11; see the advisory |
| FortiAnalyzer 7.0.0 to 7.0.15 | Upgrade past 7.0.15; see the advisory |
| FortiAnalyzer 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
| FortiAnalyzer 6.2.0 to 6.2.13 | Upgrade past 6.2.13; see the advisory |
| FortiPortal 6.0.0 to 6.0.9 | Upgrade past 6.0.9; see the advisory |
| FortiAuthenticator 6.4.0 to 6.4.1 | 6.4.2 or later |
| FortiAuthenticator 6.3.0 to 6.3.3 | 6.3.4 or later |
| FortiAuthenticator 6.2.0 to 6.2.2 | Upgrade past 6.2.2; see the advisory |
| FortiAuthenticator 6.1.0 to 6.1.3 | Upgrade past 6.1.3; see the advisory |
| FortiAuthenticator 6.0.0 to 6.0.8 | Upgrade past 6.0.8; see the advisory |
| FortiAuthenticator 5.5 | See the advisory |
| FortiAuthenticator 5.4.0 to 5.4.1 | Upgrade past 5.4.1; see the advisory |
| FortiAuthenticator 5.3.0 to 5.3.1 | Upgrade past 5.3.1; see the advisory |
| FortiAuthenticator 5.2.0 to 5.2.2 | Upgrade past 5.2.2; see the advisory |
| FortiAuthenticator 5.1.0 to 5.1.2 | Upgrade past 5.1.2; see the advisory |
| FortiMail 7.0.0 to 7.0.3 | 7.0.4 or later |
| FortiMail 6.4.0 to 6.4.8 | Upgrade past 6.4.8; see the advisory |
| FortiMail 6.2.0 to 6.2.9 | Upgrade past 6.2.9; see the advisory |
| FortiMail 6.0.0 to 6.0.12 | Upgrade past 6.0.12; see the advisory |
| FortiMail 5.4.0 to 5.4.12 | Upgrade past 5.4.12; see the advisory |
| FortiDDoS-F 6.3.0 to 6.3.3 | 6.3.4 or later |
| FortiDDoS-F 6.2.0 to 6.2.3 | Upgrade past 6.2.3; see the advisory |
| FortiDDoS-F 6.1.0 to 6.1.5 | Upgrade past 6.1.5; see the advisory |
| FortiSwitch 7.0.0 to 7.0.4 | 7.0.5 or later |
| FortiSwitch 6.4.0 to 6.4.10 | 6.4.11 or later |
| FortiSwitch 6.2.0 to 6.2.8 | Upgrade past 6.2.8; see the advisory |
| FortiSwitch 6.0.0 to 6.0.7 | Upgrade past 6.0.7; see the advisory |
| FortiProxy 7.0.0 to 7.0.4 | Upgrade past 7.0.4; see the advisory |
| FortiProxy 2.0.0 to 2.0.14 | Upgrade past 2.0.14; see the advisory |
| FortiProxy 1.2.0 to 1.2.13 | Upgrade past 1.2.13; see the advisory |
| FortiProxy 1.1.0 to 1.1.6 | Upgrade past 1.1.6; see the advisory |
| FortiProxy 1.0.0 to 1.0.7 | Upgrade past 1.0.7; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A externally controlled reference to a resource in another sphere vulnerability in Fortinet allows attacker to poison web caches via crafted HTTP requests, where the `Host` header points to an arbitrary webserver
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.