CVE-2021-43055 : What You Need to Know
Learn about CVE-2021-43055 impacting TIBCO eFTL Community, Developer, and Enterprise Editions. Follow mitigation steps and update to prevent unauthorized access.
TIBCO Software Inc.'s TIBCO eFTL - Community, Developer, and Enterprise Editions are affected by a token caching vulnerability.
Understanding CVE-2021-43055
The vulnerability in the eFTL Server component allows clients to inherit permissions, impacting confidentiality.
What is CVE-2021-43055?
The vulnerability in TIBCO eFTL editions allows unauthorized access, affecting data confidentiality.
The Impact of CVE-2021-43055
- CVSS Base Score: 5.9 (Medium Severity)
- Attack Complexity: High
- Attack Vector: Network
- Confidentiality Impact: High
- Integrity Impact: Low
- Privileges Required: Low
- Scope: Unchanged
- No User Interaction Required
- Exploitation can lead to full access to communication channels.
Technical Details of CVE-2021-43055
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- Allows clients to inherit permissions, potentially leading to unauthorized access.
Affected Systems and Versions
- TIBCO eFTL - Community Edition: <= 6.7.2
- TIBCO eFTL - Developer Edition: <= 6.7.2
- TIBCO eFTL - Enterprise Edition: <= 6.7.2
Exploitation Mechanism
- Attackers can gain full access to communication on existing channels.
Mitigation and Prevention
Steps to protect systems from CVE-2021-43055.
Immediate Steps to Take
- Update affected components to TIBCO eFTL versions 6.7.3 or later.
Long-Term Security Practices
- Regularly update software components.
- Conduct security assessments and audits.
Patching and Updates
- TIBCO released updated versions to address the vulnerability.