Executive Summary

Informations
Name CVE-2021-38505 First vendor Publication 2021-12-08
Vendor Cve Last vendor Modification 2021-12-10

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/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 High
Integrity Impact None Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/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

Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account. *This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38505

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-668 Exposure of Resource to Wrong Sphere

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 544
Application 133
Application 417

Sources (Detail)

Source Url
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1730194
https://www.mozilla.org/security/advisories/mfsa2021-48/
https://www.mozilla.org/security/advisories/mfsa2021-49/
https://www.mozilla.org/security/advisories/mfsa2021-50/

Alert History

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Date Informations
2024-02-10 02:20:24
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2024-02-02 02:27:56
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2024-02-01 12:24:37
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2023-09-05 13:22:20
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2023-09-05 01:24:07
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2023-09-02 13:20:44
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2023-09-02 01:24:30
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2023-08-12 13:26:48
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2023-08-12 01:23:43
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2023-08-11 13:19:04
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2023-08-11 01:24:30
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2023-08-06 13:17:00
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2023-08-06 01:23:27
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2023-08-04 13:17:24
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2023-08-04 01:23:48
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2023-07-14 13:17:28
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2023-07-14 01:23:36
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2023-04-01 02:08:01
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2023-03-29 02:19:34
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2023-03-28 12:23:48
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2022-10-11 13:09:04
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2022-10-11 01:23:15
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2022-04-26 02:00:00
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2021-12-10 21:23:00
  • Multiple Updates
2021-12-09 09:22:59
  • Multiple Updates
2021-12-09 00:22:54
  • First insertion