CVE-2021-44522

Name: CVE-2021-44522
Creator: NVD / NIST
Published: 2021-12-14T12:15:12.023+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2021-44522 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Siemens	Sipass Integrated	2.76
Siemens	Sipass Integrated	2.80
Siemens	Sipass Integrated	2.85
Siemens	Siveillance Identity	>= 1.6, <= 1.6.280.0
Siemens	Siveillance Identity	1.5

References

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

Timeline

Published: Dec 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44522?

How severe is CVE-2021-44522?

CVE-2021-44522 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44522?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44522?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST