VDB-198214 · CVE-2021-3100 · GCVE-0-2021-3100

Amazon Linux 1/2 log4j-cve-2021-44228-hotpatch-1.1-12 unnecessary privileges

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Amazon Linux 1/2. Impacted is an unknown function of the component log4j-cve-2021-44228-hotpatch-1.1-12. Executing a manipulation can lead to unnecessary privileges. The identification of this vulnerability is CVE-2021-3100. The attack can only be executed locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Amazon Linux 1/2. It has been declared as critical. This vulnerability affects some unknown functionality of the component log4j-cve-2021-44228-hotpatch-1.1-12. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. The CWE definition for the vulnerability is CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 04/20/2022. The advisory is available at unit42.paloaltonetworks.com. This vulnerability was named CVE-2021-3100 since 01/07/2021. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Amazon

Name

Linux

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Palo Alto Networks, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2021 🔍
04/20/2022 +467 days 🔍
04/20/2022 +0 days 🔍
04/27/2022 +7 days 🔍

Sourcesinfo

Advisory: unit42.paloaltonetworks.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3100 (🔍)
GCVE (CVE): GCVE-0-2021-3100
GCVE (VulDB): GCVE-100-198214

Entryinfo

Created: 04/20/2022 08:09
Updated: 04/27/2022 12:28
Changes: 04/20/2022 08:09 (39), 04/20/2022 10:55 (1), 04/27/2022 12:13 (1), 04/27/2022 12:20 (12), 04/27/2022 12:28 (1)
Complete: 🔍
Cache ID: 216::103