How severe is CVE-2026-46749?

CVE-2026-46749 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-46749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46749?

CVE-2026-46749 primarily affects Siemens Sinec Ins. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-46749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-46749 have an EU (EUVD) identifier?

Yes. CVE-2026-46749 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35386.

When was CVE-2026-46749 published?

CVE-2026-46749 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-46749

CVE-2026-46749 is a high-severity vulnerability in Siemens Sinec Ins with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-760.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 4.9
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35386
Weakness: CWE-760
Affected product: Siemens Sinec Ins
Published: 2026-06-09
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected application uses a password hashing implementation with a static, hardcoded salt shared across all users and installations, and is configured with an insufficient number of iterations. This could allow an attacker to efficiently recover user passwords using brute-force or precomputed attacks, potentially resulting in unauthorized access.

Frequently asked questions

What is CVE-2026-46749?: A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected application uses a password hashing implementation with a static, hardcoded salt shared across all users and installations, and is configured with an insufficient number of iterations. This could allow an attacker to efficiently recover user passwords using brute-force or precomputed attacks, potentially resulting in unauthorized access.
How severe is CVE-2026-46749?: CVE-2026-46749 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-46749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46749?: CVE-2026-46749 primarily affects Siemens Sinec Ins. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-46749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-46749 have an EU (EUVD) identifier?: Yes. CVE-2026-46749 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35386.
When was CVE-2026-46749 published?: CVE-2026-46749 was published on 2026-06-09 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-860189.html

Affected products (8)

cpe:2.3:a:siemens:sinec_ins:*:-:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_1:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_2:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_3:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_4:*:*:*:*:*:*
cpe:2.3:a:siemens:sinec_ins:1.0:sp2_update_5:*:*:*:*:*:*

More vulnerabilities in Siemens Sinec Ins

CVE-2024-46888 — Critical (CVSS 9.9): A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 3). The affected application does not…
CVE-2022-45092 — Critical (CVSS 9.9): A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 1). An authenticated remote attacker…
CVE-2024-46890 — Critical (CVSS 9.1): A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 3). The affected application does not…
CVE-2022-35255 — Critical (CVSS 9.1): A weak randomness in WebCrypto keygen vulnerability exists in Node.js 18 due to a change with EntropySource() in…
CVE-2021-22945 — Critical (CVSS 9.1): When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a…
CVE-2026-46748 — High (CVSS 8.8): A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a…

All CVEs affecting Siemens Sinec Ins →

Other CWE-760 vulnerabilities

CVE-2024-13951 — High (CVSS 7.6): One way hash with predictable salt vulnerabilities in ASPECT may expose sensitive information to a potential…
CVE-2024-38881 — High (CVSS 7.5): An issue in Horizon Business Services Inc. Caterease 16.0.1.1663 through 24.0.1.2405 and possibly later versions,…
CVE-2023-22599 — High (CVSS 7.0): InHand Networks InRouter 302, prior to version IR302 V3.5.56, and InRouter 615, prior to version…
CVE-2025-9290 — Medium (CVSS 5.9): An authentication weakness was identified in Omada Controllers, Gateways and Access Points, controller-device adoption…
CVE-2020-28214 — Medium (CVSS 5.5): A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all…

Browse all CWE-760 vulnerabilities →