CVE-2021-21073 : Security Advisory and Response

Adobe Animate version 21.0.3 (and earlier) has been identified with an Out-of-bounds Read vulnerability, allowing an unauthenticated attacker to disclose sensitive information. This article delves into the impact, technical details, and mitigation strategies of CVE-2021-21073.

Understanding CVE-2021-21073

This section provides insights into the nature of the vulnerability discovered in Adobe Animate version 21.0.3 and its potential impact.

What is CVE-2021-21073?

CVE-2021-21073 refers to an Out-of-bounds Read vulnerability in Adobe Animate version 21.0.3 and earlier. This flaw could permit an unauthorized attacker to reveal confidential data within the user's context through malicious file interactions.

The Impact of CVE-2021-21073

The CVSS score of 7.8 indicates a high severity level with significant implications for confidentiality. Given the attack vector as local and user interaction requirements, this vulnerability poses a notable threat to affected systems.

Technical Details of CVE-2021-21073

Explore the specific technical aspects related to the CVE-2021-21073 vulnerability, including its description, affected systems, and exploitation mechanisms.

Vulnerability Description

The Out-of-bounds Read vulnerability in Adobe Animate version 21.0.3 and earlier enables threat actors to extract sensitive information by manipulating user interactions with malicious files.

Affected Systems and Versions

Adobe Animate versions less than or equal to 21.0.3 are susceptible to this security flaw. Users of unspecified custom versions are also at risk of exploitation.

Exploitation Mechanism

To exploit CVE-2021-21073, attackers must trick victims into opening specially crafted files, initiating the unauthorized disclosure of sensitive data within the user's context.

Mitigation and Prevention

Discover the immediate steps and long-term security practices to safeguard systems against CVE-2021-21073 and the importance of timely patching and updates.

Immediate Steps to Take

Users should exercise caution while interacting with files, especially from untrusted sources, to mitigate the risk of falling victim to exploits leveraging CVE-2021-21073.

Long-Term Security Practices

Implementing robust security measures, such as file integrity checks and user awareness training, can fortify defenses against vulnerabilities like CVE-2021-21073.

Patching and Updates

Adobe Animate users are advised to promptly install security patches provided by the vendor to address the Out-of-bounds Read vulnerability and enhance system resilience.