CVEs / CVE-2022-40684
CVE-2022-40684: Fortinet Multiple Products Authentication Bypass Vulnerability
- Known exploited in the CISA KEV catalog since 11 Oct 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2022-40684
Summary
Fortinet FortiOS, FortiProxy, and FortiSwitchManager contain an authentication bypass vulnerability that could allow an unauthenticated attacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Fortinet Fortinet FortiOS, FortiProxy, FortiSwitchManager | FortiOS 7.2.1, 7.2.0, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0; FortiProxy 7.2.0, 7.0.6, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 7.0.0; FortiSwitchManager 7.2.0, 7.0.0 | — |
Exploitation
| In CISA KEV since | 11 Oct 2022 |
|---|---|
| Due date for US federal agencies | 1 Nov 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-287 |
References
- CVE-2022-40684 on NVD
- CVE-2022-40684 in the CISA KEV catalog
- https://www.fortiguard.com/psirt/FG-IR-22-377 (cited by CISA)
- http://packetstormsecurity.com/files/169431/Fortinet-FortiOS-FortiProxy-FortiSwitchManager-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/171515/Fortinet-7.2.1-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry
- https://fortiguard.com/psirt/FG-IR-22-377 Mitigation, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40684 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.