Out-of-bounds write in Siemens Simcenter Femap 2020.2
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
- Fixed
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 2020.2 (All versions < V2020.2.MP3), Simcenter Femap 2021.1 (All versions < V2021.1.MP3). The femap.exe application lacks proper validation of user-supplied data when parsing FEMAP files. This could result in an out of bounds write past the end of an allocated structure, a different vulnerability than CVE-2021-27399. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12819)
Why it matters now
EPSS 0.01336 71st percentileScored 2026-11-07
Fix Fixed Simcenter Femap 2020.2 (Siemens): V2020.2.MP3Simcenter Femap 2021.1 (Siemens): V2021.1.MP3
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 2020.2 | before V2020.2.MP3 | V2020.2.MP3 | Patch available | CNA |
| Siemens | Simcenter Femap 2021.1 | before V2021.1.MP3 | V2021.1.MP3 | Patch available | CNA |
- Simcenter Femap 2020.2 VendorSiemens Affected before V2020.2.MP3 Fixed in V2020.2.MP3 Patch available CNA
- Simcenter Femap 2021.1 VendorSiemens Affected before V2021.1.MP3 Fixed in V2021.1.MP3 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:siemens:simcenter_femap:*:*:*:*:*:*:*:* | before 2020.2 | Vulnerable | Siemens |
| 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: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:*:*:*:*:*:*:*:* Versions before 2020.2 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: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
Remediation
- Fix · CNA Simcenter Femap 2020.2 (Siemens) Fixed in V2020.2.MP3
- Fix · CNA Simcenter Femap 2021.1 (Siemens) Fixed in V2021.1.MP3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27387
- 2026-10-03 Alias added: GHSA-34h8-mfmv-f2g5
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-2021-27387 · CVE Program
- CVE-2021-27387 · NVD
- FIRST EPSS
- GHSA-34h8-mfmv-f2g5 · GitHub Advisory Database · CC BY 4.0
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