Vulnerability identifier: #VU97429
Vulnerability risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SIMATIC HMI Comfort Panels
Server applications /
SCADA systems
SIMATIC IPC DiagBase
Server applications /
SCADA systems
SIMATIC IPC DiagMonitor
Server applications /
SCADA systems
SIMATIC WinCC Runtime Advanced
Server applications /
SCADA systems
SIMATIC CP 1242-7 V2
Hardware solutions /
Firmware
SIMATIC CP 1243-1
Hardware solutions /
Firmware
SIMATIC CP 1243-1 DNP3
Hardware solutions /
Firmware
SIMATIC CP 1243-1 IEC
Hardware solutions /
Firmware
SIMATIC CP 1243-7 LTE
Hardware solutions /
Firmware
SIMATIC CP 1243-8 IRC
Hardware solutions /
Firmware
SIPLUS TIM 1531 IRC
Hardware solutions /
Firmware
TIM 1531 IRC
Hardware solutions /
Firmware
Vendor: Siemens
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the web server. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SIMATIC HMI Comfort Panels: All versions
SIMATIC IPC DiagBase: All versions
SIMATIC IPC DiagMonitor: All versions
SIMATIC WinCC Runtime Advanced: All versions
External links
http://cert-portal.siemens.com/productcert/html/ssa-423808.html
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.