What is CVE-2022-23439?
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
The record classifies CVE-2022-23439 under weakness class CWE-610. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 12 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 639 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 4.1 — MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C - EPSS (FIRST)
- 0.4% probability of exploitation in the next 30 days, higher than 37.0% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 3.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2025-01-22, last modified 2026-01-14
Is CVE-2022-23439 being exploited?
It currently carries a trending score of 14 in the Threadlinqs vulnerability feed.
Affected products and versions
- Fortinet: FortiTester, FortiOS, FortiRecorder, FortiNDR, FortiADC, FortiManager, FortiVoice, FortiSOAR on-premise, FortiDDoS, FortiWLC, FortiAnalyzer, FortiPortal
How to fix CVE-2022-23439
No vendor patch reference has been recorded for CVE-2022-23439 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2022-23439
1 tracked threat in the Threadlinqs corpus references CVE-2022-23439, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .