CVE-2021-41535 Use after free in NX 1953 Series
Attackers can execute arbitrary code by tricking users into opening malicious OBJ files in Siemens NX or Solid Edge.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-41535?
CVE-2021-41535 is a high-severity use after free vulnerability in Siemens NX 1953 Series, published on 28 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability has been identified in NX 1953 Series (All versions < V1973.3700), NX 1980 Series (All versions < V1988), Solid Edge SE2021 (All versions < SE2021MP8). The affected application contains a use-after-free vulnerability while parsing OBJ files. An attacker could leverage this vulnerability to execute code in the context of the current process (ZDI-CAN-13771).
Weakness: CWE-416
Which versions are affected by CVE-2021-41535?
It affects 7 products.
Products include Siemens Nx 1957 Firmware, Siemens Nx 1961 Firmware, Siemens Nx 1965 Firmware, Siemens Nx 1969 Firmware, Siemens Nx 1984 Firmware, Siemens Nx 1988 Firmware and 1 more.
How do I fix CVE-2021-41535?
No fix has been published for CVE-2021-41535 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-41535 being exploited?
There is no known exploitation of CVE-2021-41535 in the wild and no public exploit code.
Other vulnerabilities in Siemens NX 1953 Series
Sources
Also known as GHSA-mvfm-jv7j-j8f4.