CVE-2020-14170 : What You Need to Know

Atlassian Bitbucket Server versions 5.4.0 to 7.3.1 are vulnerable to Server-Side Request Forgery (SSRF) attacks.

Understanding CVE-2020-14170

Webhooks in Atlassian Bitbucket Server from version 5.4.0 before version 7.3.1 allow remote attackers to access internal network resources through an SSRF vulnerability.

What is CVE-2020-14170?

This CVE identifies a security flaw in Atlassian Bitbucket Server that enables unauthorized access to internal network content via SSRF.

The Impact of CVE-2020-14170

The vulnerability could be exploited by remote attackers to retrieve sensitive information from internal network resources, potentially leading to unauthorized access and data breaches.

Technical Details of CVE-2020-14170

Atlassian Bitbucket Server versions 5.4.0 to 7.3.1 are affected by this SSRF vulnerability.

Vulnerability Description

Webhooks in the affected Bitbucket Server versions allow attackers to perform SSRF attacks, compromising the security of internal resources.

Affected Systems and Versions

Product: Bitbucket Server
Vendor: Atlassian
Vulnerable Versions: 5.4.0 to 7.3.1

Exploitation Mechanism

Attackers can exploit the SSRF vulnerability in Bitbucket Server to access and retrieve sensitive data from internal network resources.

Mitigation and Prevention

It is crucial to take immediate action to secure systems against CVE-2020-14170.

Immediate Steps to Take

Update Bitbucket Server to a patched version that addresses the SSRF vulnerability.
Monitor network traffic for any suspicious activity that could indicate an ongoing SSRF attack.

Long-Term Security Practices

Implement strict input validation to prevent SSRF attacks in web applications.
Regularly audit and review server configurations to identify and mitigate potential security risks.

Patching and Updates

Apply security patches provided by Atlassian promptly to mitigate the SSRF vulnerability in Bitbucket Server.