CVE-2020-26977 in Firefox

Summary

by MITRE • 01/07/2021

By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.

Once again VulDB remains the best source for vulnerability data.

• Disclosure: 01/07/2021
• Moderation: accepted
• Entry: VDB-167392
• CPE: ready
• CWE: CWE-451 (confirmed)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00851
• KEV: no
• Activities: very low
• Sector: Lawfirm, Hostingprovider, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2020-26977
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-26977
• CVE Details: https://www.cvedetails.com/cve/CVE-2020-26977/