Vulnerability Report

CVE-2021-24031

Title: Facebook Zstandard

Other

Proof Of Concept

No public PoC currently indexed for CVE-2021-24031.

CWE Category CWE-276

Published Date Mar 04, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 5.5 CVSS v3.1

Exploit Probability (EPSS)

0.06%

Vulnerability Summary

CVE-2021-24031: 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.

Impacted Vendors

facebook 1

Reference Links

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404 https://github.com/facebook/zstd/issues/1630 https://www.facebook.com/security/advisories/cve-2021-24031 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404 https://github.com/facebook/zstd/issues/1630 https://www.facebook.com/security/advisories/cve-2021-24031

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity LOW

2.1

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-24031 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 04, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.