Denial of service in Siemens SIMATIC PCS 7, SIMATIC WinCC, and SIMATIC NET PC
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-19282 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
OpenPCS 7 Server applications / SCADA systems SIMATIC BATCH Server applications / SCADA systems SIMATIC NET PC Software Server applications / SCADA systems SIMATIC PCS 7 Server applications / SCADA systems SIMATIC Route Control Server applications / SCADA systems SIMATIC WinCC (TIA Portal) Server applications / SCADA systems Siemens SIMATIC WinCC Server applications / SCADA systems |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Buffer overflow
EUVDB-ID: #VU25259
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2019-19282
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing messages. A remote attacker can send a specially crafted messages, trigger memory corruption and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsOpenPCS 7: 8.1 - 9.0
SIMATIC BATCH: 8.1 - 9.0
SIMATIC NET PC Software: All versions
SIMATIC PCS 7: 8.1 - 9.0
SIMATIC Route Control: 8.1 - 9.0
SIMATIC WinCC (TIA Portal): 13.0 - 16.0
Siemens SIMATIC WinCC: 7.3 - 7.5
CPE2.3- cpe:2.3:a:siemens:openpcs:8.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:openpcs:8.2:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:openpcs:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_batch:8.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_batch:8.2:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_batch:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_net_pc_software:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_7:8.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_7:8.2:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_7:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_route_control:8.1:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_tia_portal:13.0:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:siemens_simatic_wincc:7.3:*:*:*:*:*:*:*
https://ics-cert.us-cert.gov/advisories/icsa-20-042-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
