Vulnerability in Siemens Cp-8031
CVE-2023-36380
A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions < CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Siemens Cp-8031
- Siemens Cp-8031 Firmware
- Siemens Cp-8031 Master Module — versions All versions < CPCI85 V05.11 (only with activated debug support)
- Siemens Cp-8050
- Siemens Cp-8050 Firmware
- Siemens Cp-8050 Master Module — versions All versions < CPCI85 V05.11 (only with activated debug support)
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-134651.pdf (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-36380?
- CVE-2023-36380 is a critical-severity vulnerability in Siemens Cp-8031, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-10-10.
- How severe is CVE-2023-36380?
- Critical severity. CVSS v3 base score is 9.8 out of 10.