CVE-2019-6568
HIGHSiemens SIMATIC Firmware - Denial of Service via Webserver Out-of-bounds Read
Title source: llmDescription
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.
References (2)
Core 2
Core References
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-480230.pdf
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-530931.pdf
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