How severe is CVE-2024-39866?

CVE-2024-39866 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-39866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39866?

CVE-2024-39866 primarily affects Siemens Sinema Remote Connect Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-39866?

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-2024-39866 have an EU (EUVD) identifier?

Yes. CVE-2024-39866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38271.

When was CVE-2024-39866 published?

CVE-2024-39866 was published on 2024-07-09 and last updated on 2026-06-17.

CVE-2024-39866

CVE-2024-39866 is a high-severity vulnerability in Siemens Sinema Remote Connect Server with a CVSS 3.x base score of 8.8. 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-267.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38271
Weakness: CWE-267
Affected product: Siemens Sinema Remote Connect Server
Published: 2024-07-09
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). The affected application allows users to upload encrypted backup files. This could allow an attacker with access to the backup encryption key and with the right to upload backup files to create a user with administrative privileges.

Frequently asked questions

What is CVE-2024-39866?: A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). The affected application allows users to upload encrypted backup files. This could allow an attacker with access to the backup encryption key and with the right to upload backup files to create a user with administrative privileges.
How severe is CVE-2024-39866?: CVE-2024-39866 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-39866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39866?: CVE-2024-39866 primarily affects Siemens Sinema Remote Connect Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-39866?: 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-2024-39866 have an EU (EUVD) identifier?: Yes. CVE-2024-39866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38271.
When was CVE-2024-39866 published?: CVE-2024-39866 was published on 2024-07-09 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-381581.html

Affected products (3)

cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:-:*:*:*:*:*:*
cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:hf1:*:*:*:*:*:*

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