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Security Bulletin: IBM Security Access Manager is vulnerable to a bypass security vulnerability (CVE-2020-4461)

Security Bulletin


Summary

A bypass security vulnerability was fixed in IBM Security Access Manager 9.0.7.1

Vulnerability Details

CVEID:   CVE-2020-4461
DESCRIPTION:   IBM Security Access Manager could allow an authenticated user to bypass security by allowing id_token claims manipulation without verification.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/181481 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

Affected Product(s) Version(s)
ISAM 9.0

Remediation/Fixes

 Affected Product  VRMF APAR  Remediation/First Fix
 IBM Security Access Manager 9.0.7.1 IIJ24832  9.0.7.1-ISS-ISAM-IF0005

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

The vulnerability was reported to IBM by Dries Eestermans (nynox-dries)

Change History

18 May 2020: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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Document Information

Modified date:
20 May 2020

UID

ibm16211847