Improper input validation in Siemens Simatic S7-300 CPU 312
CVE-2016-9158
A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.030 (86.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Simatic_s7-300_cpu_312
- Siemens Simatic_s7-300_cpu_314
- Siemens Simatic_s7-300_cpu_315-2_dp
- Siemens Simatic_s7-300_cpu_315-2_pn\/dp
- Siemens Simatic_s7-300_cpu_317-_2_dp
- Siemens Simatic_s7-300_cpu_317-2_pn\/dp
- Siemens Simatic_s7-300_cpu_319-3_pn\/dp
- Siemens Simatic_s7-300_cpu_firmware
- Siemens Simatic_s7-400_cpu_412-1
- Siemens Simatic_s7-400_cpu_412-2
Weakness classification (CWE)
References
- productcert@siemens.com (vdb-entry, x_refsource_BID)
- productcert@siemens.com (vdb-entry, x_refsource_SECTRACK)
- productcert@siemens.com (x_refsource_MISC)
- productcert@siemens.com (x_refsource_CONFIRM)
- productcert@siemens.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2016-9158?
- CVE-2016-9158 is a high-severity vulnerability in Siemens Simatic S7-300 CPU 312, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-12-17.
- How severe is CVE-2016-9158?
- High severity. CVSS v3 base score is 7.5 out of 10.