CVE-2021-38506
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- CVE-2021-38506
CVE Details
| Release Date: | 2021-12-08 | |
| Impact: | None | What is this? |
Description
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
See more information about CVE-2021-38506 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 4.3 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | Low |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2021-4116 | 2021-11-04 |
| Oracle Linux version 7 (thunderbird) | ELSA-2021-4134 | 2021-11-05 |
| Oracle Linux version 8 (firefox) | ELSA-2021-4123 | 2021-11-04 |
| Oracle Linux version 8 (thunderbird) | ELSA-2021-4130 | 2021-11-05 |
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