Executive Summary

Informations
Name CVE-2021-43538 First vendor Publication 2021-12-08
Vendor Cve Last vendor Modification 2022-12-09

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Overall CVSS Score 4.3
Base Score 4.3 Environmental Score 4.3
impact SubScore 1.4 Temporal Score 4.3
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact Low 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

By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43538

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-362 Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 544
Application 133
Application 417
Os 3

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2021/dsa-5026
https://www.debian.org/security/2022/dsa-5034
GENTOO https://security.gentoo.org/glsa/202202-03
https://security.gentoo.org/glsa/202208-14
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1739091
https://www.mozilla.org/security/advisories/mfsa2021-52/
https://www.mozilla.org/security/advisories/mfsa2021-53/
https://www.mozilla.org/security/advisories/mfsa2021-54/
MLIST https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html
https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html

Alert History

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Date Informations
2024-02-10 02:21:56
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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
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2023-09-02 01:24:57
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2023-08-12 13:28:21
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2023-08-12 01:24:11
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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
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2023-08-06 01:23:55
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2023-08-04 13:18:52
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2023-08-04 01:24:16
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2023-07-14 13:18:56
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2023-07-14 01:24:03
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2023-04-01 02:09:15
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2023-03-29 02:20:57
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2023-03-28 12:24:15
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2022-12-09 21:27:38
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2022-10-11 13:10:18
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2022-10-11 01:23:39
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2022-08-11 00:43:22
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2022-04-26 02:01:57
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2022-03-16 21:23:07
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2022-02-22 09:23:07
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2022-01-04 17:23:01
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2022-01-03 17:22:58
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2021-12-29 21:23:03
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2021-12-22 00:23:04
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2021-12-20 05:23:15
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2021-12-10 21:22:57
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2021-12-09 09:22:59
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2021-12-09 00:22:54
  • First insertion