#VU53226 Out-of-bounds read in SIMATIC HMI Comfort Panels and SIMATIC HMI KTP Mobile Panels


Published: 2021-05-13

Vulnerability identifier: #VU53226

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-19276

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SIMATIC HMI Comfort Panels
Server applications / SCADA systems
SIMATIC HMI KTP Mobile Panels
Server applications / SCADA systems

Vendor:

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in the SNMP service. A remote attacker can trigger out-of-bounds read error and cause a denial of service condition on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://cert-portal.siemens.com/productcert/pdf/ssa-594364.pdf


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.


Latest bulletins with this vulnerability