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Vulnerability record · CVE-2017-9939 · published 8 August 2017

CVE-2017-9939: Siemens sipass integrated improper authentication vulnerability

Siemens · Sipass Integrated

A vulnerability was discovered in Siemens SiPass integrated (All versions before V2.70) that could allow an attacker with network access to the SiPass integrated server to bypass the authentication mechanism and perform administrative operations.

9.8 CVSS 3.0 Critical EPSS 2.1% · top 19.4% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 7.5
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A vulnerability was discovered in Siemens SiPass integrated (All versions before V2.70) that could allow an attacker with network access to the SiPass integrated server to bypass the authentication mechanism and perform administrative operations.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/99578 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-339433.pdf Vendor Advisory
http://www.securityfocus.com/bid/99578 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-339433.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9939), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.