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CVE-2021-44522

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-14 · updated 2026-06-17
• Weakness: CWE-668

Description

A vulnerability has been identified in SiPass integrated V2.76 (All versions), SiPass integrated V2.80 (All versions), SiPass integrated V2.85 (All versions), Siveillance Identity V1.5 (All versions), Siveillance Identity V1.6 (All versions < V1.6.284.0). Affected applications insufficiently limit the access to the internal message broker system. This could allow an unauthenticated remote attacker to subscribe to arbitrary message queues.

Affected products

• Siemens SiPass integrated: 2.76, 2.76-sp1, 2.80, 2.85
• Siemens Siveillance Identity: from 1.6 through 1.6.280.0; 1.5

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-160202.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-463116.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-160202.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-463116.pdf

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