High severity · published Dec 8, 2021
CVE-2021-38510
The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only…
8.8
CVSS
1%
EPSS
No
On KEV
Description
The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 94.0 · source: NVD
FE
Firefox Esr · Mozilla
before 91.3.0 · source: NVD
TH
Thunderbird · Mozilla
before 91.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-38510
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-38510
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1731779
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-48/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-49/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-50/
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