CVE-2021-41535 json
A vulnerability has been identified in NX 1953 Series (All versions < V1973.3700), NX 1980 Series (All versions < V1988), Solid Edge SE2021…
published 2021-09-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28553
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
- 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
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-287-06 updated cvss 7.8
Siemens Solid Edge
-
Siemens Solid Edge SE2021 <SE2021MP8affected: vendor fix, mitigation
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-21-315-08 updated cvss 7.8
Siemens NX OBJ Translator
-
Siemens NX 1953 Series <V1973.3700affected: fixed in V1973.3700, mitigation support.sw.siemens.com
-
Siemens NX 1980 Series <V1988affected: fixed in V1988, mitigation support.sw.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Siemens NX 1953 Series
- Siemens NX 1980 Series
- Siemens Solid Edge SE2021
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-728618.pdf
patch, vendor-advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-328042.pdf
patch, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-1119/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-41535
- NVD CVE-2021-41535
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