CVE-2020-14177 : Vulnerability Insights and Analysis
Learn about CVE-2020-14177 affecting Atlassian Jira Server and Data Center, allowing remote attackers to impact availability via a Regex-based DoS vulnerability.
Atlassian Jira Server and Data Center versions are susceptible to a Regex-based Denial of Service (DoS) vulnerability in JQL version searching.
Understanding CVE-2020-14177
This CVE identifies a vulnerability in Atlassian Jira Server and Data Center that allows remote attackers to impact the application's availability.
What is CVE-2020-14177?
This CVE pertains to a Denial of Service (DoS) vulnerability in JQL version searching within Atlassian Jira Server and Data Center.
The Impact of CVE-2020-14177
The vulnerability can be exploited by remote attackers to disrupt the availability of the affected application.
Technical Details of CVE-2020-14177
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability in Atlassian Jira Server and Data Center allows remote attackers to execute a Regex-based Denial of Service (DoS) attack through JQL version searching.
Affected Systems and Versions
- Atlassian Jira Server versions before 7.13.16
- Atlassian Jira Server versions from 7.14.0 before 8.5.7
- Atlassian Jira Server versions from 8.6.0 before 8.10.2
- Atlassian Jira Server versions from 8.11.0 before 8.11.1
Exploitation Mechanism
The vulnerability can be exploited remotely by attackers to impact the availability of the application through malicious Regex-based queries.
Mitigation and Prevention
Protect your systems from CVE-2020-14177 with the following steps:
Immediate Steps to Take
- Update Atlassian Jira Server to the latest patched version.
- Monitor network traffic for any suspicious activity.
- Implement firewall rules to restrict unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify weaknesses.
- Educate users on safe browsing habits and phishing awareness.
Patching and Updates
Ensure timely installation of security patches and updates provided by Atlassian to address the CVE-2020-14177 vulnerability.