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High severity8.2NVD Advisory· Published Jul 16, 2020· Updated Jun 17, 2026

CVE-2020-4462

CVE-2020-4462

Description

IBM Sterling External Authentication Server 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2 and IBM Sterling Secure Proxy 6.0.1, 6.0.0, 3.4.3, and 3.4.2 are vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 181482.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13
  • IBM/Sterling External Authentication Server7 versions
    cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.2.0:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.3.2:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.0.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.1.0:*:*:*:*:*:*:*
    • (no CPE)range: 6.0
    • (no CPE)range: 2.4.2
    • (no CPE)range: 6.0.1, 6.0.0, 2.4.3.2, and 2.4.2
  • IBM/Sterling Secure Proxy6 versions
    cpe:2.3:a:ibm:sterling_secure_proxy:3.4.2.0:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:a:ibm:sterling_secure_proxy:3.4.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_secure_proxy:6.0.0.0:*:*:*:*:*:*:*
    • cpe:2.3:a:ibm:sterling_secure_proxy:6.0.1.0:*:*:*:*:*:*:*
    • (no CPE)range: 6.0.1, 6.0.0, 3.4.3, and 3.4.2
    • (no CPE)range: 3.4.2

Patches

Vulnerability mechanics

References

3

News mentions

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