CVE-2021-43542
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- CVE-2021-43542
CVE Details
| Release Date: | 2021-12-08 | |
| Impact: | None | What is this? |
Description
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
See more information about CVE-2021-43542 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: | 6.5 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (firefox) | ELSA-2021-5014 | 2021-12-08 |
| Oracle Linux version 7 (thunderbird) | ELSA-2021-5046 | 2021-12-10 |
| Oracle Linux version 8 (firefox) | ELSA-2021-5013 | 2021-12-09 |
| Oracle Linux version 8 (thunderbird) | ELSA-2021-5045 | 2021-12-10 |
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