CVE-2021-44228 Report - Details, Severity, & Advisories
Twingate Team
•
Dec 16, 2023
CVE-2021-44228 is a critical vulnerability affecting Apache Log4j2, a widely used logging library. With a severity score of 10.0, this vulnerability allows attackers to execute arbitrary code on affected systems by exploiting certain features in Log4j2. A wide range of systems, including those from major vendors like Siemens, Intel, and Cisco, may be impacted if they use vulnerable versions of Apache Log4j2 in their software configurations. It's essential for organizations to update their systems to mitigate the risks associated with this vulnerability.
How do I know if I'm affected?
To determine if you're affected by the vulnerability, also known as Log4Shell, you need to check if you're using Apache Log4j2 versions 2.0-beta9 through 2.15.0, excluding security releases 2.12.2, 2.12.3, and 2.3.1. If you're using a vulnerable version of Apache Log4j2, it's crucial to update your systems to mitigate the risks associated with this critical vulnerability.
What should I do if I'm affected?
If you're affected by the CVE-2021-44228 vulnerability, it's crucial to update your systems as soon as possible. Follow these steps: 1) Identify if you're using a vulnerable version of Apache Log4j2, 2) Check for available patches or updates from your software vendor, and 3) Apply the updates or patches according to the vendor's instructions.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-44228 vulnerability, also known as Apache Log4j2 Remote Code Execution Vulnerability, is indeed listed in CISA's Known Exploited Vulnerabilities Catalog. It was added on December 10, 2021, and the due date for required action was December 24, 2021. The acceptable remediation actions include applying updates or removing affected assets from networks. Temporary mitigations were acceptable only until updates became available.
Weakness enumeration
The weakness enumeration for this category is categorized as CWE-917, CWE-502, CWE-20, and CWE-400, which involves weaknesses like improper neutralization of special elements, input validation issues, uncontrolled resource consumption, and deserialization of untrusted data. These weaknesses can lead to remote code execution on affected systems.
For more details
The CVE-2021-44228 vulnerability is a critical issue that requires immediate attention and remediation. For a comprehensive understanding and more details on the CVE-2021-44228 vulnerability, we recommend visiting the NVD page or the links below.
Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.
CVE-2021-44228 Report - Details, Severity, & Advisories
Twingate Team
•
Dec 16, 2023
CVE-2021-44228 is a critical vulnerability affecting Apache Log4j2, a widely used logging library. With a severity score of 10.0, this vulnerability allows attackers to execute arbitrary code on affected systems by exploiting certain features in Log4j2. A wide range of systems, including those from major vendors like Siemens, Intel, and Cisco, may be impacted if they use vulnerable versions of Apache Log4j2 in their software configurations. It's essential for organizations to update their systems to mitigate the risks associated with this vulnerability.
How do I know if I'm affected?
To determine if you're affected by the vulnerability, also known as Log4Shell, you need to check if you're using Apache Log4j2 versions 2.0-beta9 through 2.15.0, excluding security releases 2.12.2, 2.12.3, and 2.3.1. If you're using a vulnerable version of Apache Log4j2, it's crucial to update your systems to mitigate the risks associated with this critical vulnerability.
What should I do if I'm affected?
If you're affected by the CVE-2021-44228 vulnerability, it's crucial to update your systems as soon as possible. Follow these steps: 1) Identify if you're using a vulnerable version of Apache Log4j2, 2) Check for available patches or updates from your software vendor, and 3) Apply the updates or patches according to the vendor's instructions.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-44228 vulnerability, also known as Apache Log4j2 Remote Code Execution Vulnerability, is indeed listed in CISA's Known Exploited Vulnerabilities Catalog. It was added on December 10, 2021, and the due date for required action was December 24, 2021. The acceptable remediation actions include applying updates or removing affected assets from networks. Temporary mitigations were acceptable only until updates became available.
Weakness enumeration
The weakness enumeration for this category is categorized as CWE-917, CWE-502, CWE-20, and CWE-400, which involves weaknesses like improper neutralization of special elements, input validation issues, uncontrolled resource consumption, and deserialization of untrusted data. These weaknesses can lead to remote code execution on affected systems.
For more details
The CVE-2021-44228 vulnerability is a critical issue that requires immediate attention and remediation. For a comprehensive understanding and more details on the CVE-2021-44228 vulnerability, we recommend visiting the NVD page or the links below.
Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.
CVE-2021-44228 Report - Details, Severity, & Advisories
Twingate Team
•
Dec 16, 2023
CVE-2021-44228 is a critical vulnerability affecting Apache Log4j2, a widely used logging library. With a severity score of 10.0, this vulnerability allows attackers to execute arbitrary code on affected systems by exploiting certain features in Log4j2. A wide range of systems, including those from major vendors like Siemens, Intel, and Cisco, may be impacted if they use vulnerable versions of Apache Log4j2 in their software configurations. It's essential for organizations to update their systems to mitigate the risks associated with this vulnerability.
How do I know if I'm affected?
To determine if you're affected by the vulnerability, also known as Log4Shell, you need to check if you're using Apache Log4j2 versions 2.0-beta9 through 2.15.0, excluding security releases 2.12.2, 2.12.3, and 2.3.1. If you're using a vulnerable version of Apache Log4j2, it's crucial to update your systems to mitigate the risks associated with this critical vulnerability.
What should I do if I'm affected?
If you're affected by the CVE-2021-44228 vulnerability, it's crucial to update your systems as soon as possible. Follow these steps: 1) Identify if you're using a vulnerable version of Apache Log4j2, 2) Check for available patches or updates from your software vendor, and 3) Apply the updates or patches according to the vendor's instructions.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2021-44228 vulnerability, also known as Apache Log4j2 Remote Code Execution Vulnerability, is indeed listed in CISA's Known Exploited Vulnerabilities Catalog. It was added on December 10, 2021, and the due date for required action was December 24, 2021. The acceptable remediation actions include applying updates or removing affected assets from networks. Temporary mitigations were acceptable only until updates became available.
Weakness enumeration
The weakness enumeration for this category is categorized as CWE-917, CWE-502, CWE-20, and CWE-400, which involves weaknesses like improper neutralization of special elements, input validation issues, uncontrolled resource consumption, and deserialization of untrusted data. These weaknesses can lead to remote code execution on affected systems.
For more details
The CVE-2021-44228 vulnerability is a critical issue that requires immediate attention and remediation. For a comprehensive understanding and more details on the CVE-2021-44228 vulnerability, we recommend visiting the NVD page or the links below.