Heap-based buffer overflow in Siemens User Management Component (UMC)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-33698 |
| CWE-ID | CWE-122 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
SIMATIC Information Server Hardware solutions / Firmware SIMATIC PCS neo Web applications / Other software SINEC NMS Server applications / Remote management servers, RDP, SSH Totally Integrated Automation Portal (TIA Portal) Other software / Other software solutions |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Heap-based buffer overflow
EUVDB-ID: #VU97161
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2024-33698
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the integrated UMC component. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSIMATIC Information Server: 2022 - 2024
SIMATIC PCS neo: 4.0 - 5.0
SINEC NMS: All versions
Totally Integrated Automation Portal (TIA Portal): 16 - 19
CPE2.3- cpe:2.3:h:siemens:simatic_information_server:2022:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_information_server:2024:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_neo:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_neo:4.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_neo:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:totally_integrated_automation_portal_tia_portal:16:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:totally_integrated_automation_portal_tia_portal:17:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:totally_integrated_automation_portal_tia_portal:18:*:*:*:*:*:*:*
https://cert-portal.siemens.com/productcert/html/ssa-039007.html
https://www.tenable.com/security/research/tra-2024-37-0
https://www.cisa.gov/news-events/ics-advisories/icsa-24-256-03
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
