Vulnerability Details

Siemens SIMATIC S7-300/400 PLC Multiple Vulnerabilities

Published: 2016-12-15 03:22:34
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Detection Type:
Remote Banner

Solution Type:
Vendor Patch

Summary:
Siemens SIMATIC S7-300 and S7-400 are prone to multiple vulnerabilities.

Detection Method:
Checks if a HTTP port or the COTP port is open.

Technical Details:
Siemens SIMATIC S7-300 and S7-400 are prone to multiple vulnerabilities: - Specially crafted packets sent to Port 80/TCP could cause the affected devices to go into defect mode. (CVE-2016-9158) - An attacker with network access to Port 102/TCP (ISO-TSAP) could obtain credentials from the PLC if Protection-level 2 is configured on the affected devices. (CVE-2016-9159)

Impact:
A remote attacker may cause a DoS condition or obtain credentials.

Affected Versions:
S7-300 CPU firmware version prior to 3.X.14, S7-400 PN V6 firmware version prior to 6.0.6, S7-400 V7 firmware version prior to 7.0.2 and S7-CPU 410 CPU firmware version prior to 8.2.0.

Recommendations:
Siemens provides updated firmware versions.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2016-9158
https://nvd.nist.gov/vuln/detail/CVE-2016-9159

References:

https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-731239.pdf

Severity
High
CVSS Score
7.8
Published
2016-12-15
Modified
2018-09-24
Category
General

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