How severe is CVE-2023-35796?

CVE-2023-35796 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-35796 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-35796?

CVE-2023-35796 affects Siemens Sinema Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-35796?

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-2023-35796 published?

CVE-2023-35796 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-35796

CVE-2023-35796 is a high-severity vulnerability in Siemens Sinema Server with a CVSS 3.x base score of 8.3. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Siemens Sinema Server
Published: 2023-10-10
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEMA Server V14 (All versions). The affected application improperly sanitizes certain SNMP configuration data retrieved from monitored devices. An attacker with access to a monitored device could perform a stored cross-site scripting (XSS) attack that may lead to arbitrary code execution with `SYSTEM` privileges on the application server. (ZDI-CAN-19823)

Frequently asked questions

What is CVE-2023-35796?: A vulnerability has been identified in SINEMA Server V14 (All versions). The affected application improperly sanitizes certain SNMP configuration data retrieved from monitored devices. An attacker with access to a monitored device could perform a stored cross-site scripting (XSS) attack that may lead to arbitrary code execution with `SYSTEM` privileges on the application server. (ZDI-CAN-19823)
How severe is CVE-2023-35796?: CVE-2023-35796 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-35796 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-35796?: CVE-2023-35796 affects Siemens Sinema Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-35796?: 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-2023-35796 published?: CVE-2023-35796 was published on 2023-10-10 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-594373.pdf

Affected products (1)

cpe:2.3:a:siemens:sinema_server:14.0:*:*:*:*:*:*:*

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