CVE-2019-11762
6.1 · MEDIUMOverview
CVE-2019-11762 is a medium-severity vulnerability affecting mozilla firefox. It was published on January 8, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
If two same-origin documents set document.domain differently to become cross-origin, it was possible for them to call arbitrary DOM methods/getters/setters on the now-cross-origin window. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
Remediation
Check the references section for vendor advisories and patches from mozilla. Update firefox 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 |
|---|---|---|---|
| mozilla | firefox | >= 0, < 70.0 | Affected |
| mozilla | firefox_esr | >= 0, < 68.2 | Affected |
| mozilla | thunderbird | >= 0, < 68.2 | Affected |
References
Frequently Asked Questions
What is CVE-2019-11762?
CVE-2019-11762 is a medium-severity vulnerability affecting mozilla firefox. It was published on January 8, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2019-11762?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-11762?
Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2019-11762?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-11762 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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