Search/CVE-2021-24031
● CVE — Medium

CVE-2021-24031

VendorfacebookProductzstandardDiscoveredMar 4, 2021UpdatedNov 21, 2024

In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.

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CVSS v3.1
5.5 MEDIUM
EPSS
0.46%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 5, 2026
▲ 0.03pp
0.43% → 0.46% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityNONE
AvailabilityNONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Mar 4, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024