by Kastro
Paper/Archive/CVE-2022-46353

CVE-2022-46353

Siemens SCALANCE X204RNA (HSR) — A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SC…

EPSS 1%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 64.8.648 × 2013.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (HSR) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP/HSR) (All versions < V3.2.7). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions.

Affected

ProductAffectedFixed inSource
SCALANCE X204RNA (HSR)All versions < V3.2.7–CNA
SCALANCE X204RNA (PRP)All versions < V3.2.7–CNA
SCALANCE X204RNA EEC (HSR)All versions < V3.2.7–CNA
SCALANCE X204RNA EEC (PRP)All versions < V3.2.7–CNA
SCALANCE X204RNA EEC (PRP/HSR)All versions < V3.2.7–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcert-portal.siemens.com/productcert/pdf/ssa-363821.pdf