#VU60535 Heap-based buffer overflow in Siemens products - CVE-2021-44000

Vulnerability identifier: #VU60535

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-44000

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JT2Go
Server applications / Virtualization software
Teamcenter Visualization
Other software / Other software solutions
Solid Edge SE2021
Server applications / SCADA systems
Solid Edge SE2022
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the plmxmlAdapterSE70.dll. A remote attacker can send a specially crafted PAR file, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

JT2Go: All versions

Teamcenter Visualization: 12.4 - 13.3

Solid Edge SE2021: before SE2021MP9

Solid Edge SE2022: before SE2022MP1

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External links
https://cert-portal.siemens.com/productcert/pdf/ssa-301589.pdficsa-22-041-07-1
https://www.zerodayinitiative.com/advisories/ZDI-22-335/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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