CVE-2020-12463 : An elevation of privilege vulnerability exists in Avira Software Updater before

An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files.

Published 2020-05-05 22:15:13

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Vulnerability category: Gain privilege

Products affected by CVE-2020-12463

Avira » Software Updater
Versions before (<) 2.0.6.27476
cpe:2.3:a:avira:software_updater:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-12463

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-12463

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2020-12463

https://support.avira.com/hc/en-us/articles/360000142857-Avira-Software-Updater

Avira Software Updater – Official Avira Support | Knowledgebase & Customer Support | Avira
Release Notes;Vendor Advisory

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Vulnerability Details : CVE-2020-12463

Products affected by CVE-2020-12463

Exploit prediction scoring system (EPSS) score for CVE-2020-12463

CVSS scores for CVE-2020-12463

References for CVE-2020-12463