16 May 2019
KLCERT-19-027: Remote Code Execution Vulnerability in Siemens SIMATIC WinCC and SIMATIC PCS 7
Vendor
Siemens
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CVE-IDS
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KLCERT
KLCERT-19-027
Timeline
Timeline
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Kaspersky ICS CERT advisory published
15 May 2019
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Vendor releases patch
May 2019
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Vulnerabilities acknowledged by Vendor
December 2018
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Vulnerabilities reported
December 2018
Description
An attacker with network access to affected installations, which are configured without “Encrypted Communication”, can execute arbitrary code.
The security vulnerability could be exploited by an unauthenticated attacker with network access to the affected installation. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the device.
Exploitability
Remotely
Attack complexity
User interaction
Impact
Existence of exploit
Unknown
Affected products
SIMATIC PCS 7 V8.0 and earlier:All versions
SIMATIC PCS 7 V8.1 and newer: All versions
SIMATIC WinCC V7.2 and earlier: All versions
SIMATIC WinCC V7.3 and newer: All versions
Mitigation
Vendor mitigation
Upgrade to a newer version and enable “Encrypted Communication”.
Apply Defense-in-Depth concept.
Kaspersky Lab publishes information on newly identified vulnerabilities in order to raise user awareness of the IT security threats detected. Kaspersky Lab does not make any guarantees in respect of information received from vendors of products in which vulnerabilities have been identified, which is included in the following sections of the advisory: Affected Products, Vendor Mitigation.
