Security Bulletin: IBM Sterling Control Center is vulnerable to remote attacker security restrictions bypass due to Eclipse EE4J Jakarta Expression Language (CVE-2021-28170)

Security Bulletin

Summary

Eclipse EE4J Jakarta Expression Language is used by IBM Sterling Control Center. Eclipse EE4J Jakarta Expression Language could allow a remote attacker to bypass security restrictions, and the issue has been addressed.

Vulnerability Details

CVEID: CVE-2021-28170
DESCRIPTION: Eclipse EE4J Jakarta Expression Language could allow a remote attacker to bypass security restrictions, caused by a flaw in the ELParserTokenManager module. By sending a specially-crafted request, an attacker could exploit this vulnerability to bypass input validation of EL expressions.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202708 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)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM Sterling Control Center	6.2.1.0
IBM Sterling Control Center	6.2.0.0

Remediation/Fixes

Product

Version

Remediation

IBM Sterling Control Center

6.2.1.0

iFix07 available on Fix Central - 6.2.1.0

IBM Sterling Control Center

6.2.0.0

iFix07 available on Fix Central - 6.2.1.0

iFix18 available on Fix Central - 6.2.0.0

NOTE: This is the last planned 6.2.0.0 iFix release package. Please plan for future Control Center upgrades to 6.2.1.0 iFix07 (or later).

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

26 May 2022: Initial Publication
13 June 2022: Provided additional/optional 6.2.0.0 Remediation via upgrade to 6.2.0.0 iFix18 (last planned 6.2.0.0 iFix).

*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 Sterling Control Center is vulnerable to remote attacker security restrictions bypass due to Eclipse EE4J Jakarta Expression Language (CVE-2021-28170)