#VU24310 Incorrect Privilege Assignment in SINEMA Server - CVE-2019-10940

Vulnerability identifier: #VU24310

Vulnerability risk: High

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Amber]

CVE-ID: CVE-2019-10940

CWE-ID: CWE-266

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SINEMA Server
Server applications / Other server solutions

Vendor: Siemens

Description

The vulnerability allows a remote attacker to perform firmware updates.

The vulnerability exists due to incorrect session validation. A remote authenticated attacker can perform firmware updates and other administrative operations on connected devices.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SINEMA Server: before 14.0 SP2 Update 1

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-014-02

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.