Privilege escalation in Siemens Sinema Server

CVE-2019-10940

A vulnerability has been identified in SINEMA Server (All versions < V14.0 SP2 Update 1). Incorrect session validation could allow an attacker with a valid session, with low privileges, to perform firmware updates and other administrative operations on connected devices. The security vulnerability could be exploited by an attacker with network access to the affected system. An attacker must have access to a low privileged account in order to exploit the vulnerability. An attacker could use the vulnerability to compromise confidentiality, integrity, and availability of the affected system and underlying components. At the time of advisory publication no public exploitation of this security vulnerability was known.

EPSS: 0.012 (66.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-10940?
CVE-2019-10940 is a critical-severity vulnerability in Siemens Sinema Server, classified under Incorrect Privilege Assignment. CVSS score: 9.9/10. Published 2020-01-16.
How severe is CVE-2019-10940?
Critical severity. CVSS v3 base score is 9.9 out of 10.