CVE-2021-45977 : Vulnerability Insights and Analysis
Learn about CVE-2021-45977 affecting JetBrains IntelliJ IDEA, PyCharm, GoLand, PhpStorm, RubyMine, and WebStorm versions binding to 0.0.0.0 IP address. Find mitigation steps and fixed versions here.
JetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional 2021.3.1 RC, GoLand 2021.3.1, PhpStorm 2021.3.1 Preview, PhpStorm 2021.3.1 RC, RubyMine 2021.3.1 Preview, RubyMine 2021.3.1 RC, CLion 2021.3.1, WebStorm 2021.3.1 Preview, and WebStorm 2021.3.1 RC bind to the 0.0.0.0 IP address. The fixed versions are: IntelliJ IDEA 2021.3.1, PyCharm Professional 2021.3.1, GoLand 2021.3.2, PhpStorm 2021.3.1 (213.6461.83), RubyMine 2021.3.1, CLion 2021.3.2, and WebStorm 2021.3.1.
Understanding CVE-2021-45977
This CVE affects multiple JetBrains IDEs with specific versions binding to the 0.0.0.0 IP address.
What is CVE-2021-45977?
The vulnerability involves JetBrains IDEs binding to the 0.0.0.0 IP address, posing a security risk.
The Impact of CVE-2021-45977
The vulnerability could allow attackers to exploit the JetBrains IDEs connected to the 0.0.0.0 IP address, potentially compromising the security of the systems using these IDEs.
Technical Details of CVE-2021-45977
This section provides detailed technical insights into the CVE.
Vulnerability Description
The vulnerable versions of JetBrains IDEs bind to the 0.0.0.0 IP address, creating a potential security loophole.
Affected Systems and Versions
- JetBrains IntelliJ IDEA 2021.3.1 Preview
- IntelliJ IDEA 2021.3.1 RC
- PyCharm Professional 2021.3.1 RC
- GoLand 2021.3.1
- PhpStorm 2021.3.1 Preview
- PhpStorm 2021.3.1 RC
- RubyMine 2021.3.1 Preview
- RubyMine 2021.3.1 RC
- CLion 2021.3.1
- WebStorm 2021.3.1 Preview
- WebStorm 2021.3.1 RC
Exploitation Mechanism
Attackers can potentially exploit this vulnerability to compromise systems using the affected JetBrains IDEs.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2021-45977.
Immediate Steps to Take
- Update the affected JetBrains IDEs to the fixed versions mentioned in the description.
- Avoid connecting JetBrains IDEs to insecure networks.
Long-Term Security Practices
- Regularly update and patch all software to prevent vulnerabilities.
- Implement network security measures to restrict access to critical systems.
Patching and Updates
- Ensure all JetBrains IDEs are updated to the latest fixed versions to eliminate the security risk.