Privilege escalation in Siemens Industrial Products using Intel CPUs
| Risk | Low |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-21198 |
| CWE-ID | CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
SIMATIC IPC BX-39A Hardware solutions / Firmware SIMATIC IPC847E Hardware solutions / Firmware SIMATIC IPC677E Hardware solutions / Firmware SIMATIC IPC647E Hardware solutions / Firmware SIMATIC IPC627E Hardware solutions / Firmware SIMATIC IPC477E Pro Hardware solutions / Firmware SIMATIC Field PG M6 Hardware solutions / Firmware SIMATIC Field PG M5 Hardware solutions / Firmware SIMATIC ITP1000 Server applications / SCADA systems SIMATIC IPC477E Server applications / SCADA systems SIMATIC IPC427E Server applications / SCADA systems |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Race condition
EUVDB-ID: #VU69118
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-21198
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in the BIOS firmware. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsSIMATIC IPC BX-39A: All versions
SIMATIC IPC847E: All versions
SIMATIC IPC677E: All versions
SIMATIC IPC647E: All versions
SIMATIC IPC627E: All versions
SIMATIC IPC477E Pro: All versions
SIMATIC Field PG M6: All versions
SIMATIC Field PG M5: All versions
SIMATIC ITP1000: All versions
SIMATIC IPC477E: All versions
SIMATIC IPC427E: All versions
CPE2.3- cpe:2.3:h:siemens:simatic_ipc_bx-39a:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_ipc847e:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_ipc677e:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_ipc647e:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_ipc627e:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_ipc477e_pro:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_field_pg_m6:*:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_field_pg_m5:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_itp1000:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_ipc477e:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_ipc427e:*:*:*:*:*:*:*:*
https://cert-portal.siemens.com/productcert/txt/ssa-686975.txt
https://ics-cert.us-cert.gov/advisories/icsa-23-047-09
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
