CVE-2021-27797 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-27797, a vulnerability in Brocade Fabric OS versions prior to v8.2.1c, v8.1.2h, and all v8.0.x and v7.x releases allowing unauthorized system access.
Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x are impacted by a vulnerability due to hard-coded credentials, potentially granting unauthorized system access.
Understanding CVE-2021-27797
This CVE entry pertains to a security flaw in Brocade Fabric OS versions prior to v8.2.1c, v8.1.2h, and all iterations in the v8.0.x and v7.x branches.
What is CVE-2021-27797?
Brocade Fabric OS versions prior to v8.2.1c, v8.1.2h, and all versions of v8.0.x and v7.x harbor documented hard-coded credentials, enabling malicious actors to compromise system integrity.
The Impact of CVE-2021-27797
The presence of hard-coded credentials in affected Brocade Fabric OS instances poses a significant risk, potentially leading to unauthorized system infiltration and data compromise.
Technical Details of CVE-2021-27797
This section elucidates the specifics of the CVE-related vulnerability.
Vulnerability Description
The security vulnerability stems from the existence of hard-coded credentials in Brocade Fabric OS versions preceding v8.2.1c, v8.1.2h, and all v8.0.x and v7.x releases.
Affected Systems and Versions
Brocade Fabric OS instances before v8.2.1c, v8.1.2h, and all v8.0.x and v7.x versions are susceptible to this vulnerability.
Exploitation Mechanism
Attackers exploit the hard-coded credentials to gain unauthorized access to vulnerable Brocade Fabric OS installations.
Mitigation and Prevention
Outlined below are the strategies to mitigate the risks associated with CVE-2021-27797.
Immediate Steps to Take
- Upgrade to Brocade Fabric OS v8.2.1c or v8.1.2h to address the vulnerability.
- Implement access controls to restrict unauthorized system entry.
Long-Term Security Practices
- Regularly update Brocade Fabric OS to the latest secure versions.
- Conduct security audits to identify and rectify potential vulnerabilities.
Patching and Updates
Regularly monitor security advisories from Brocade and promptly apply any patches or updates to fortify system security.