Executive Summary

Informations
Name CVE-2021-43540 First vendor Publication 2021-12-08
Vendor Cve Last vendor Modification 2022-07-12

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43540

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 544

Sources (Detail)

Source Url
GENTOO https://security.gentoo.org/glsa/202202-03
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1636629
https://www.mozilla.org/security/advisories/mfsa2021-52/

Alert History

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Date Informations
2024-02-10 02:21:56
  • Multiple Updates
2024-02-02 02:29:33
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2024-02-01 12:25:06
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2023-09-05 13:23:58
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2023-09-05 01:24:35
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2023-09-02 13:22:23
  • Multiple Updates
2023-09-02 01:24:58
  • Multiple Updates
2023-08-12 13:28:21
  • Multiple Updates
2023-08-12 01:24:11
  • Multiple Updates
2023-08-11 13:20:34
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2023-08-11 01:24:59
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2023-08-06 13:18:30
  • Multiple Updates
2023-08-06 01:23:55
  • Multiple Updates
2023-08-04 13:18:53
  • Multiple Updates
2023-08-04 01:24:16
  • Multiple Updates
2023-07-14 13:18:56
  • Multiple Updates
2023-07-14 01:24:03
  • Multiple Updates
2023-04-01 02:09:15
  • Multiple Updates
2023-03-29 02:20:57
  • Multiple Updates
2023-03-28 12:24:15
  • Multiple Updates
2022-10-11 13:10:18
  • Multiple Updates
2022-10-11 01:23:40
  • Multiple Updates
2022-07-13 17:27:27
  • Multiple Updates
2022-03-16 21:23:07
  • Multiple Updates
2022-02-22 09:23:07
  • Multiple Updates
2021-12-10 17:22:56
  • Multiple Updates
2021-12-09 09:22:58
  • Multiple Updates
2021-12-09 00:22:54
  • First insertion