Known exploited vulnerability
CVE-2022-40684
The short answer
CVE-2022-40684 affects Fortinet Fortinet FortiOS, FortiProxy, FortiSwitchManager and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-10-11: attackers are using it, so patch it first.
What it is
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 version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.
Weakness: CWE-287.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Oct 11, 2022
Federal due date Nov 1, 2022
EPSS, next 30 days
100%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Fortinet FortiOS, FortiProxy, FortiSwitchManager. NVD's record lists the exact affected versions.
References
- fortiguard.com/psirt/FG-IR-22-377 MitigationVendor Advisory
- fortiguard.com/psirt/FG-IR-22-377 MitigationVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684 US Government Resource
Questions
Is CVE-2022-40684 being exploited?
Yes. CISA added CVE-2022-40684 to its Known Exploited Vulnerabilities catalog on 2022-10-11, with a federal remediation due date of 2022-11-01. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2022-40684?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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