Cyber Resilience

CVE-2021-41535

High

Published: 28 September 2021

Published
28 September 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0059 69.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41535 is a high-severity Use After Free (CWE-416) vulnerability in Siemens Solid Edge. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 30.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

could leverage this vulnerability to execute code in the context of the current process (ZDI-CAN-13771).

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

siemens
solid edge
se2021 · ≤ 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

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References