Out-of-bounds write in Siemens Simcenter Femap V2020.2
Priority LOW 37CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains an out of bounds write past the end of an allocated structure while parsing specially crafted NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-14754, ZDI-CAN-15082)
Why it matters now
EPSS 0.01567 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | Simcenter Femap V2020.2 | All versions | — | No fix listed | CNA |
| Siemens | Simcenter Femap V2021.1 | All versions | — | No fix listed | CNA |
- Simcenter Femap V2020.2 VendorSiemens Affected All versions Fixed in — No fix listed CNA
- Simcenter Femap V2021.1 VendorSiemens Affected All versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:siemens:simcenter_femap:2020.2:-:*:*:*:*:*:* | 2020.2 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack1:*:*:*:*:*:* | 2020.2 maintenance_pack1 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack2:*:*:*:*:*:* | 2020.2 maintenance_pack2 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack3:*:*:*:*:*:* | 2020.2 maintenance_pack3 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2021.1:-:*:*:*:*:*:* | 2021.1 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack1:*:*:*:*:*:* | 2021.1 maintenance_pack1 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack2:*:*:*:*:*:* | 2021.1 maintenance_pack2 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack3:*:*:*:*:*:* | 2021.1 maintenance_pack3 | Vulnerable | Siemens |
- cpe:2.3:a:siemens:simcenter_femap:2020.2:-:*:*:*:*:*:* Versions 2020.2 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack1:*:*:*:*:*:* Versions 2020.2 maintenance_pack1 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack2:*:*:*:*:*:* Versions 2020.2 maintenance_pack2 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack3:*:*:*:*:*:* Versions 2020.2 maintenance_pack3 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2021.1:-:*:*:*:*:*:* Versions 2021.1 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack1:*:*:*:*:*:* Versions 2021.1 maintenance_pack1 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack2:*:*:*:*:*:* Versions 2021.1 maintenance_pack2 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack3:*:*:*:*:*:* Versions 2021.1 maintenance_pack3 Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-46151
- 2026-10-03 Alias added: GHSA-w53j-mr4p-h52p
References
More Siemens Simcenter Femap vulnerabilities
- TI-2022-11305 Out-of-bounds read in Siemens Simcenter Femap CVSS 3.1HIGH 8.8
- TI-2021-21091 Stack-based buffer overflow in Siemens Simcenter Femap V2020.2 CVSS 3.1HIGH 7.8
- TI-2021-21088 Stack-based buffer overflow in Siemens Simcenter Femap V2020.2 CVSS 3.1HIGH 7.8
- TI-2021-21087 Stack-based buffer overflow in Siemens Simcenter Femap V2020.2 CVSS 3.1HIGH 7.8
- TI-2021-21451 Stack-based buffer overflow in Siemens Simcenter Femap CVSS 3.1HIGH 7.8
- TI-2021-21095 Out-of-bounds write in Siemens Simcenter Femap CVSS 3.1HIGH 7.8
Sources
- CVE-2021-46151 · CVE Program
- CVE-2021-46151 · NVD
- FIRST EPSS
- GHSA-w53j-mr4p-h52p · GitHub Advisory Database · CC BY 4.0
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