CVE-2021-41535

Name: CVE-2021-41535
Creator: NVD / NIST
Published: 2021-09-28T12:15:08.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.52%

Last modified Jun 17, 2026

CVE-2021-41535 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

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).

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.52%

71.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Solid Edge	< se2021
Siemens	Solid Edge	se2021
Siemens	Nx 1984 Firmware	< 1984
Siemens	Nx 1988 Firmware	< 1984
Siemens	Nx 1957 Firmware	< 1973.3700
Siemens	Nx 1961 Firmware	< 1973.3700
Siemens	Nx 1965 Firmware	< 1973.3700
Siemens	Nx 1969 Firmware	< 1973.3700

References

https://cert-portal.siemens.com/productcert/pdf/ssa-328042.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdfPatch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1119/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-328042.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdfPatch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1119/Third Party Advisory, VDB Entry

Timeline

Published: Sep 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41535?

How severe is CVE-2021-41535?

CVE-2021-41535 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41535?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-41535?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST