CVE-2022-40684KEV · OVERDUECWE-287

Fortinet Multiple Products Authentication Bypass Vulnerability

Critical · published October 18, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.

1453
days past CISA
deadline
CVSS v3.1
9.8
EPSS
100%
Percentile
100.0
In the wild
Confirmed
What it is

🚨 An unauthenticated attacker can waltz right into your admin interface with just a crafted HTTP request! 🔥 Think of it like a restaurant where anyone can sneak past the host and head straight to the kitchen with no reservation needed. Instead of a delectable meal, they could wreak havoc on your operations! This vulnerability allows attackers to perform administrative actions without ever logging in, potentially compromising the entire system. An attacker could change configurations, access sensitive information, or even disrupt services entirely, leading to catastrophic consequences for your organization.

Put simply

Think of it like a restaurant where anyone can sneak past the host and head straight to the kitchen with no reservation needed. Instead of a delectable meal, they could wreak havoc on your operations! This authentication bypass vulnerability affects Fortinet FortiOS, FortiProxy, and FortiSwitchManager by allowing attackers to access the administrative interface through specially crafted requests, skipping the usual authentication checks.

What to do

This vulnerability allows attackers to perform administrative actions without ever logging in, potentially compromising the entire system. An attacker could change configurations, access sensitive information, or even disrupt services entirely, leading to catastrophic consequences for your organization. Patch your Fortinet devices immediately to the latest versions (7.2.2 or later for FortiOS and FortiProxy; 7.0.7 or later for FortiSwitchManager) to close this critical hole. Make sure to audit your system for any unauthorized changes that may have been made during exposure. You've got this! Stay vigilant and patch up your systems to bolster defenses against this exploit! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99984 · 100.0th percentile
Weakness
CWE-287 · Improper Authentication
Published
2022-10-18T18:15Z
KEV added
2022-10-11 · due 2022-11-01
Affected products (6)
ProductVersionsFixed in
fortinet/fortiproxy≥ 7.0.0, < 7.0.77.0.7
fortinet/fortiproxyall versions—
fortinet/fortiswitchmanagerall versions—
fortinet/fortiswitchmanagerall versions—
fortinet/fortios≥ 7.0.0, < 7.0.77.0.7
fortinet/fortios≥ 7.2.0, < 7.2.27.2.2
References (7)
EPSS history
Timeline
  • 18 OCT 00:00Z
    An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy…
    cvelistv5
  • 11 OCT 00:00Z
    Added to CISA KEV — remediate by Nov 1
    kev