CVE-2020-29445 : What You Need to Know
Learn about CVE-2020-29445, a blind server-side request forgery vulnerability in Confluence Server versions before 7.4.8 and between 7.5.0 to 7.11.0, allowing attackers to expose internal network details. Find mitigation steps and long-term security practices here.
Confluence Server before 7.4.8 and versions from 7.5.0 before 7.11.0 are vulnerable to a blind server-side request forgery vulnerability.
Understanding CVE-2020-29445
This CVE involves a security vulnerability in Atlassian's Confluence Server that could allow attackers to expose internal hosts and ports.
What is CVE-2020-29445?
CVE-2020-29445 is a blind server-side request forgery vulnerability found in specific versions of Confluence Server, enabling attackers to identify internal network details.
The Impact of CVE-2020-29445
The vulnerability allows malicious actors to exploit Team Calendars parameters to reveal sensitive information, posing a risk of unauthorized access and potential data breaches.
Technical Details of CVE-2020-29445
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The blind server-side request forgery vulnerability in Confluence Server versions before 7.4.8 and between 7.5.0 to 7.11.0 permits attackers to discern internal hosts and ports.
Affected Systems and Versions
- Product: Confluence Server
- Vendor: Atlassian
- Vulnerable Versions:
- Versions before 7.4.8
- Versions from 7.5.0 to 7.11.0
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating Team Calendars parameters, leading to the exposure of internal network details.
Mitigation and Prevention
Protecting systems from CVE-2020-29445 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update Confluence Server to version 7.4.8 or higher to mitigate the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate exploitation.
Long-Term Security Practices
- Regularly audit and review server configurations to identify and address potential vulnerabilities.
- Educate users on safe practices to prevent social engineering attacks that could exploit such vulnerabilities.
Patching and Updates
- Stay informed about security patches and updates released by Atlassian for Confluence Server to address known vulnerabilities and enhance system security.