CVE-2020-4499 : Exploit Details and Defense Strategies

IBM Security Access Manager and IBM Security Verify Access are affected by a vulnerability that could allow unauthorized access to applications.

Understanding CVE-2020-4499

IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 are impacted by a security flaw that enables an unauthorized public Oauth client to bypass authentication checks.

What is CVE-2020-4499?

The vulnerability in IBM Security Access Manager and IBM Security Verify Access could permit an unauthorized public Oauth client to circumvent authentication checks, potentially gaining unauthorized access to applications.

The Impact of CVE-2020-4499

The vulnerability poses a high severity risk, with a CVSS base score of 7.3, allowing attackers to bypass security measures and access applications.

Technical Details of CVE-2020-4499

Vulnerability Description

The flaw in IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 enables unauthorized access by bypassing authentication checks.

Affected Systems and Versions

Product: Security Access Manager
Vendor: IBM
Version: 9.0.7
Product: Security Verify Access
Vendor: IBM
Version: 10.0.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Exploit Code Maturity: Unproven
CVSS Vector: CVSS:3.0/I:L/UI:N/AC:L/PR:N/AV:N/C:L/S:U/A:L/RC:C/E:U/RL:O

Mitigation and Prevention

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor for any unauthorized access to applications.

Long-Term Security Practices

Regularly update and patch IBM Security Access Manager and IBM Security Verify Access.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

IBM has released official fixes to address the vulnerability in Security Access Manager and Security Verify Access.