CVE-2020-12819
5.4 · MEDIUMOverview
CVE-2020-12819 is a medium-severity vulnerability affecting fortinet fortios. It was published on December 19, 2024 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A heap-based buffer overflow vulnerability in the processing of Link Control Protocol messages in FortiGate versions 5.6.12, 6.0.10, 6.2.4 and 6.4.1 and earlier may allow a remote attacker with valid SSL VPN credentials to crash the SSL VPN daemon by sending a large LCP packet, when tunnel mode is enabled. Arbitrary code execution may be theoretically possible, albeit practically very difficult to achieve in this context
Remediation
Check the references section for vendor advisories and patches from fortinet. Update fortios 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 | fortios | >= 0, < 5.6.13 | Affected |
References
Frequently Asked Questions
What is CVE-2020-12819?
CVE-2020-12819 is a medium-severity vulnerability affecting fortinet fortios. It was published on December 19, 2024 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2020-12819?
This vulnerability has a CVSS 3.1 base score of 5.4, 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-2020-12819?
Check the references section for vendor advisories and patches from fortinet. Update fortios 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-2020-12819?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-12819 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.
Automated penetration testing that runs continuously, not just quarterly.
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