How severe is CVE-2020-25240?

CVE-2020-25240 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-2020-25240 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25240?

CVE-2020-25240 affects Siemens Sinema Remote Connect Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25240?

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.

When was CVE-2020-25240 published?

CVE-2020-25240 was published on 2021-03-15 and last updated on 2026-06-17.

CVE-2020-25240

CVE-2020-25240 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Siemens Sinema Remote Connect Server
Published: 2021-03-15
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0). Unpriviledged users can access services when guessing the url. An attacker could impact availability, integrity and gain information from logs and templates of the service.

Frequently asked questions

What is CVE-2020-25240?: A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0). Unpriviledged users can access services when guessing the url. An attacker could impact availability, integrity and gain information from logs and templates of the service.
How severe is CVE-2020-25240?: CVE-2020-25240 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-2020-25240 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25240?: CVE-2020-25240 affects Siemens Sinema Remote Connect Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25240?: 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.
When was CVE-2020-25240 published?: CVE-2020-25240 was published on 2021-03-15 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-731317.pdf

Affected products (1)

cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*

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