CVE-2021-35610 is a high-severity vulnerability classified under CVSS 3.1 with a base score of 7.1. This vulnerability allows low privileged attackers with network access via multiple protocols to compromise the Oracle MySQL Server product. The affected versions include 8.0.26 and earlier. Successful exploitation can lead to unauthorized updates, inserts, or deletions of MySQL Server accessible data, as well as the potential to cause a denial of service (DoS) through server hangs or crashes.
Organizations using Oracle MySQL Server should take immediate action. With the potential for significant impact on availability and integrity, it is crucial to assess the risk and prioritize patching. The vulnerability's exploitation status indicates that it is easily exploitable, raising the urgency for defenders.
Risk to organizations includes the ability for attackers to execute unauthorized actions, which can compromise data integrity and availability. The CVSS vector indicates a network attack vector with low complexity and no user interaction required, further emphasizing the need for swift remediation.
Given these risks, organizations should address this vulnerability in their priority patch cycle. The October 2021 critical patch update from Oracle addresses this issue, and it is recommended that all organizations upgrade to the latest version to protect against potential exploits.
Vulnerability Details
The vulnerability in the MySQL Server product of Oracle MySQL is categorized under the component 'Server: Optimizer'. The CVSS score of 7.1 indicates a high severity level. The official description states that the vulnerability can allow a low privileged attacker to compromise the MySQL Server through unauthorized access. The vulnerability was published on October 20, 2021.
Technical Analysis
The root cause of CVE-2021-35610 is linked to the MySQL Server's optimizer component, where low privileged attackers can exploit this flaw. The attack vector is network-based, and the complexity is low, requiring no user interaction. This vulnerability results in low integrity impact and high availability impact, making it critical for organizations to address.
Risk & Impact Analysis
The potential impact of this vulnerability in real-world deployment scenarios is significant. Attackers could leverage this vulnerability to disrupt MySQL operations, leading to downtime and loss of service. Organizations that rely on MySQL for critical applications could face severe operational challenges due to this vulnerability. The urgency for remediation is underscored by its CVSS score of 7.1, indicating a high likelihood of exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable versions of MySQL Server include all versions prior to 8.0.27. This includes 8.0.26 and earlier versions. Organizations utilizing these versions should take immediate action to mitigate risks associated with this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching to the latest version of MySQL Server to mitigate this vulnerability. Further recommendations include implementing monitoring for unauthorized access attempts and reviewing configurations to ensure only necessary access is granted. For additional resources on effective security measures, organizations can explore penetration testing services to identify vulnerabilities.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual access patterns, including repeated failed login attempts and unauthorized data modifications. Behavioral anomalies in MySQL operations should be flagged for further investigation.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2021-35610 highlights the ongoing need for robust security measures within database management systems. Organizations must remain vigilant against vulnerabilities that can lead to significant operational disruptions. This vulnerability serves as a reminder of the importance of regular security assessments and updates. For further insights on security practices, organizations can refer to vulnerability management program design and penetration testing methodology resources.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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