by Kastro
Paper/Archive/CVE-2023-36380

CVE-2023-36380

Siemens CP-8031 MASTER MODULE — A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.11 (only with activated debug support)), CP-8050…

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 35.1.351 × 207.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
CP-8031 MASTER MODULEAll versions < CPCI85 V05.11 (only with activated debug support)–CNA
CP-8050 MASTER MODULEAll versions < CPCI85 V05.11 (only with activated debug support)–CNA

Scores by source

siemens (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcert-portal.siemens.com/productcert/pdf/ssa-134651.pdf