CVE-2018-20022
7.5 · HIGHOverview
CVE-2018-20022 is a high-severity vulnerability affecting libvnc_project libvncserver. It was published on December 19, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR
Remediation
Check the references section for vendor advisories and patches from libvnc_project. Update libvncserver 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 |
|---|---|---|---|
| libvnc_project | libvncserver | >= 0, < 0.9.12 | Affected |
References
Frequently Asked Questions
What is CVE-2018-20022?
CVE-2018-20022 is a high-severity vulnerability affecting libvnc_project libvncserver. It was published on December 19, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-20022?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20022?
Check the references section for vendor advisories and patches from libvnc_project. Update libvncserver 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-2018-20022?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20022 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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