#VU56919 Access of Uninitialized Pointer in Solid Edge SE2021 - CVE-2021-41538

Vulnerability identifier: #VU56919

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-41538

CWE-ID: CWE-824

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Solid Edge SE2021
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to an uninitialized pointer while parsing OBJ files. A remote attacker can trick a victim to open a specially crafted file and gain access to sensitive information on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Solid Edge SE2021: before SE2021MP8

---

External links
https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf
https://www.zerodayinitiative.com/advisories/ZDI-21-1122/

---

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.