CVE-2023-35796 Cross-site scripting in SINEMA Server V14

What is CVE-2023-35796?

CVE-2023-35796 is a high-severity cross-site scripting vulnerability in Siemens SINEMA Server V14, published on 10 Oct 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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)

Weakness: CWE-79

Which versions are affected by CVE-2023-35796?

It affects 1 product.

Products include Siemens Sinema Server.

How do I fix CVE-2023-35796?

No fix has been published for CVE-2023-35796 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-35796 being exploited?

There is no known exploitation of CVE-2023-35796 in the wild and no public exploit code.

Other vulnerabilities in Siemens SINEMA Server V14

• CVE-2019-10940 Privilege escalation in SINEMA Server Critical 9.9
• CVE-2014-2731 Code injection in n/a Critical 9.3
• CVE-2016-6486 Privilege escalation in n/a High 7.8
• CVE-2019-10941 Missing authorization in SINEMA Server Medium 5.3
• CVE-2014-2732 Path traversal in n/a Medium 5.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8w38-353q-pxjf.