CVE-2021-43074
4.3 · MEDIUMOverview
CVE-2021-43074 is a medium-severity vulnerability affecting fortinet fortiproxy. It was published on February 16, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
An improper verification of cryptographic signature vulnerability [CWE-347] in FortiWeb 6.4 all versions, 6.3.16 and below, 6.2 all versions, 6.1 all versions, 6.0 all versions; FortiOS 7.0.3 and below, 6.4.8 and below, 6.2 all versions, 6.0 all versions; FortiSwitch 7.0.3 and below, 6.4.10 and below, 6.2 all versions, 6.0 all versions; FortiProxy 7.0.1 and below, 2.0.7 and below, 1.2 all versions, 1.1 all versions, 1.0 all versions may allow an attacker to decrypt portions of the administrative session management cookie if able to intercept the latter.
Remediation
Check the references section for vendor advisories and patches from fortinet. Update fortiproxy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fortinet | fortiproxy | >= 1.0.0, < 2.0.8 | Affected |
| fortinet | fortiweb | >= 6.0.0, < 6.3.17 | Affected |
| fortinet | fortios | >= 6.0.0, < 6.4.9 | Affected |
| fortinet | fortiswitch | >= 6.0.0, < 6.4.11 | Affected |
Frequently Asked Questions
What is CVE-2021-43074?
CVE-2021-43074 is a medium-severity vulnerability affecting fortinet fortiproxy. It was published on February 16, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2021-43074?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-43074?
Check the references section for vendor advisories and patches from fortinet. Update fortiproxy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-43074?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43074 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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