CVE-2021-21011 Explained : Impact and Mitigation
Learn about CVE-2021-21011, an uncontrolled search path element vulnerability in Adobe Captivate 2019 version 11.5.1.499 and its impact. Find out how to mitigate risks and apply necessary security measures.
Adobe Captivate 2019 version 11.5.1.499 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. This vulnerability could be leveraged by an attacker with permissions to write to the file system.
Understanding CVE-2021-21011
This section provides an overview of the critical vulnerability identified in Adobe Captivate 2019.
What is CVE-2021-21011?
CVE-2021-21011 refers to an uncontrolled search path element vulnerability in Adobe Captivate 2019 version 11.5.1.499 and earlier. This flaw could potentially allow an attacker to escalate privileges on the affected system.
The Impact of CVE-2021-21011
The impact of this vulnerability is rated as high, with a CVSS base score of 7.0. It can lead to confidentiality, integrity, and availability impact on the targeted system.
Technical Details of CVE-2021-21011
This section delves into the technical aspects of the CVE, including how it affects systems and potential exploitation methods.
Vulnerability Description
The vulnerability stems from an uncontrolled search path element, allowing an attacker to manipulate the path and escalate privileges on the system.
Affected Systems and Versions
Adobe Captivate 2019 version 11.5.1.499 and earlier are confirmed to be impacted by this vulnerability.
Exploitation Mechanism
To exploit CVE-2021-21011, an attacker would need permissions to write to the file system. By navigating the search path element, they could abuse this vulnerability for privilege escalation.
Mitigation and Prevention
In this section, we explore the necessary steps to mitigate the risks posed by CVE-2021-21011 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to apply security updates provided by Adobe promptly. Limiting write permissions on the file system can also help mitigate the risk of exploitation.
Long-Term Security Practices
Implementing the principle of least privilege, regular security audits, and maintaining updated security configurations can bolster long-term security against similar vulnerabilities.
Patching and Updates
Stay informed about security advisories from Adobe and apply patches as soon as they are released to safeguard your systems against CVE-2021-21011.