CVE-2020-24717

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777.

OpenZFS versiones anteriores a 2.0.0-rc1, cuando es usado en FreeBSD, malinterpreta los permisos de grupo como permisos de usuario, como es demostrado por el modo 0770 que es equivalente al modo 0777

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-08-27 CVE Reserved
2020-08-27 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://jira.ixsystems.com/browse/NAS-107270	2024-08-04

URL	Date	SRC
https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73f	2020-09-04
https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1	2020-09-04
https://reviews.freebsd.org/D26107	2020-09-04

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openzfs Search vendor "Openzfs"	Openzfs Search vendor "Openzfs" for product "Openzfs"	<= 0.8.4 Search vendor "Openzfs" for product "Openzfs" and version " <= 0.8.4"	-	Affected	in	Freebsd Search vendor "Freebsd"	Freebsd Search vendor "Freebsd" for product "Freebsd"	-	-	Safe