Threats / Fortinet / CVE-2022-40684
CVE-2022-40684
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Fortinet Multiple Products vulnerability
Fortinet multiple products contain an authentication bypass vulnerability allowing unauthenticated attackers to perform administrative operations via specially crafted HTTP/HTTPS requests.
Verdict
Today item, not a backlog item.
An unauthenticated remote attacker can bypass authentication controls to access and manipulate administrative functions on affected Fortinet devices, enabling unauthorized system compromise and potential lateral movement.
CISA KEV Yes · 2022-10-113Ransomware use Flagged3EPSS 0.99984 (verify live)4Exploit Weaponized · public PoC5
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
791 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-10-11), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.99984 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Fortinet, Multiple Products. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-288 Auth Bypass via Alternate Path — weakness family: Authentication.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft HTTP or HTTPS requests that exploit the authentication bypass to reach the administrative interface without credentials.
Business
Administrative access is exposed to any network-connected attacker without requiring valid authentication.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I perform unauthorized administrative operations on the compromised device to modify configurations or extract sensitive data.
Business
Device security posture is altered and confidential information may be accessed or exfiltrated.
3
Lateral reach — past segmentation narrative 3
Attacker
I establish persistence or pivot to other network resources using the compromised administrative access.
Business
The breach extends beyond the initial device to compromise additional infrastructure and systems.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05