CVE-2021-20498 : Security Advisory and Response

IBM Security Verify Access Docker 10.0.0 is affected by CVE-2021-20498, which exposes version information in HTTP requests, potentially leading to further system attacks. The vulnerability was made public on July 13, 2021.

Understanding CVE-2021-20498

CVE-2021-20498 poses a medium-severity risk, with a CVSS base score of 5.3 due to information disclosure vulnerability.

What is CVE-2021-20498?

CVE-2021-20498 involves the exposure of version details in HTTP headers of IBM Security Verify Access Docker 10.0.0, opening avenues for malicious exploitation.

The Impact of CVE-2021-20498

The vulnerability could allow threat actors to gather sensitive version information that may be leveraged in targeted attacks against the affected system.

Technical Details of CVE-2021-20498

The CVSSv3.0 score for CVE-2021-20498 indicates a medium severity and low attack complexity, affecting network availability and data confidentiality.

Vulnerability Description

IBM Security Verify Access Docker 10.0.0 inadvertently discloses version data in HTTP requests, potentially aiding cyber attackers in crafting sophisticated attacks.

Affected Systems and Versions

The vulnerability affects IBM Security Verify Access Docker version 10.0.0 specifically.

Exploitation Mechanism

Exploiting this flaw requires network access and no user privileges, with unproven exploit code maturity.

Mitigation and Prevention

Addressing CVE-2021-20498 involves immediate actions to mitigate risks and implementing long-term security measures.

Immediate Steps to Take

Organizations should apply the official fix provided by IBM and closely monitor HTTP requests for any unusual behavior.

Long-Term Security Practices

Implement security protocols to enhance data protection and regularly update systems to prevent potential vulnerabilities.

Patching and Updates

Stay informed about security patches released by IBM for IBM Security Verify Access Docker to address CVE-2021-20498.