CVE-2019-6568

HIGH

Siemens SIMATIC Firmware - Denial of Service via Webserver Out-of-bounds Read

Title source: llm
STIX 2.1

Description

The webserver of the affected devices contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation which leads to a restart of the webserver of the affected device. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the device.

Scores

CVSS v3 7.5
EPSS 0.0140
EPSS Percentile 69.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (50)
siemens/cp1604_firmware
siemens/cp1616_firmware
Siemens/SIMATIC CP 1604 All versions
Siemens/SIMATIC CP 1616 All versions
Siemens/SIMATIC CP 343-1 Advanced All versions
Siemens/SIMATIC CP 443-1 All versions < V3.3
Siemens/SIMATIC CP 443-1 Advanced All versions < V3.3
Siemens/SIMATIC CP 443-1 OPC UA All versions
Siemens/SIMATIC ET 200pro IM154-8 PN/DP CPU All versions < V3.2.16
Siemens/SIMATIC ET 200pro IM154-8F PN/DP CPU All versions < V3.2.16
... and 40 more
Published Apr 17, 2019
Tracked Since Feb 18, 2026