Security Bulletin: IBM Security Identity Manager Password Synchronization Plug-in for Windows AD affected by multiple vulnerabilities (CVE-2021-20483, CVE-2021-20488)

Security Bulletin

Summary

IBM has announced a release for IBM Security Identity Manager Password Synchronization Plug-in for Windows AD to address several security vulnerabilities. The vulnerabilities concern server side request forgery and account take over.

Vulnerability Details

CVEID: CVE-2021-20483
DESCRIPTION: IBM Security Identity Manager 6.0.2 is vulnerable to server-side request forgery (SSRF). By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to obtain sensitive data. IBM X-Force ID: 197591.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197591 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID: CVE-2021-20488
DESCRIPTION: IBM Security Identity Manager 6.0.2 could allow an authenticated malicious user to change the passwords of other users in the Windows AD environment when IBM Security Identity Manager Windows Password Synch Plug-in is deployed and configured. IBM X-Force ID: 197789.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/197789 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
ISIM	6.0.2
ISIM	6.0.0

Remediation/Fixes

Affected Product / Version	Fix availability
IBM Security Identity Manager 6.0.2	6.0.2-ISS-SIM-IF0003
IBM Security Identity Manager 6.0.0	6.0.0-ISS-SIM-FP0026

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

This vulnerability was reported to IBM by Maciej Grabiec and Tomasz Wiśniewski.

Change History

15 Jun 2021: 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM Security Identity Manager Password Synchronization Plug-in for Windows AD affected by multiple vulnerabilities (CVE-2021-20483, CVE-2021-20488)