XML External Entity Injection Vulnerability in IBM Sterling Products
CVE-2020-4462

8.2HIGH

Key Information:

Summary

IBM Sterling External Authentication Server and IBM Sterling Secure Proxy are susceptible to an XML External Entity Injection (XXE) vulnerability when handling XML data. A remote attacker can exploit this weakness to potentially disclose confidential information or exhaust system memory resources, leading to service degradation. This vulnerability underscores the need for robust input validation mechanisms in XML processing environments.

Affected Version(s)

External Authentication Server 6.0

External Authentication Server 6.0.1

Sterling External Authentication Server 2.4.2

References

CVSS V3.1

Score:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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