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Fencer Vulns
medium 6.5

CVE-2022-46144 json

A vulnerability has been identified in SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V2.3), SCALANCE SC622-2C (6GK5622-2GS00-2AC2)…

published 2022-12-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-48982

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

A vulnerability has been identified in SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions < V2.3), SCALANCE SC622-2C (6GK5622-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions < V2.3), SCALANCE SC626-2C (6GK5626-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions < V2.3), SCALANCE SC632-2C (6GK5632-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions < V2.3), SCALANCE SC636-2C (6GK5636-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions < V2.3), SCALANCE SC642-2C (6GK5642-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions < V2.3), SCALANCE SC646-2C (6GK5646-2GS00-2AC2) (All versions >= V2.3 < V3.0), SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) (All versions < V2.0.0), SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) (All versions < V2.0.0), SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) (All versions < V2.0.0), SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) (All versions < V2.0.0), SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) (All versions < V2.0.0). Affected devices do not properly process CLI commands after a user forcefully quitted the SSH connection. This could allow an authenticated attacker to make the CLI via SSH or serial interface irresponsive.

Patch / fix

  • Siemens SCALANCE SC622-2C V2.3, V3.0
  • Siemens SCALANCE SC626-2C V2.3, V3.0
  • Siemens SCALANCE SC632-2C V2.3, V3.0
  • Siemens SCALANCE SC636-2C V2.3, V3.0
  • Siemens SCALANCE SC642-2C V2.3, V3.0
  • Siemens SCALANCE SC646-2C V2.3, V3.0
  • Siemens SCALANCE WAM763-1 V2.0.0
  • Siemens SCALANCE WAM766-1 V2.0.0
  • Siemens SCALANCE WAM766-1 (US) V2.0.0
  • Siemens SCALANCE WAM766-1 EEC V2.0.0
  • Siemens SCALANCE WAM766-1 EEC (US) V2.0.0
  • Siemens SCALANCE WUM763-1 V2.0.0
  • Siemens SCALANCE WUM766-1 V2.0.0
  • Siemens SCALANCE WUM766-1 (USA) V2.0.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-349-04 updated cvss 6.5

Siemens SCALANCE Products

  • Siemens SCALANCE SC622-2C (6GK5622-2GS00-2AC2) <V2.3, >=V2.3, <V3.0 Siemens SCALANCE SC626-2C (6GK5626-2GS00-2AC2) <V2.3, >=V2.3, <V3.0 Siemens SCALANCE SC632-2C (6GK5632-2GS00-2AC2) <V2.3, >=V2.3, <V3.0 Siemens SCALANCE SC636-2C (6GK5636-2GS00-2AC2) <V2.3, >=V2.3, <V3.0 Siemens SCALANCE SC642-2C (6GK5642-2GS00-2AC2) <V2.3, >=V2.3, <V3.0 Siemens SCALANCE SC646-2C (6GK5646-2GS00-2AC2) <V2.3, >=V2.3, <V3.0
    affected: fixed in V2.3 support.industry.siemens.com
  • Siemens SCALANCE WAM763-1 (6GK5763-1AL00-7DA0) <V2.0.0 Siemens SCALANCE WAM766-1 (6GK5766-1GE00-7DA0) <V2.0.0 Siemens SCALANCE WAM766-1 (US) (6GK5766-1GE00-7DB0) <V2.0.0 Siemens SCALANCE WAM766-1 EEC (6GK5766-1GE00-7TA0) <V2.0.0 Siemens SCALANCE WAM766-1 EEC (US) (6GK5766-1GE00-7TB0) <V2.0.0 Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3AA0) <V2.0.0
    +3 more products
    Siemens SCALANCE WUM763-1 (6GK5763-1AL00-3DA0) <V2.0.0 Siemens SCALANCE WUM766-1 (6GK5766-1GE00-3DA0) <V2.0.0 Siemens SCALANCE WUM766-1 (USA) (6GK5766-1GE00-3DB0) <V2.0.0
    affected: fixed in V2.0.0 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 4.0 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Siemens SCALANCE SC622-2C
  • Siemens SCALANCE SC626-2C
  • Siemens SCALANCE SC632-2C
  • Siemens SCALANCE SC636-2C
  • Siemens SCALANCE SC642-2C
  • Siemens SCALANCE SC646-2C
  • Siemens SCALANCE WAM763-1
  • Siemens SCALANCE WAM766-1
  • Siemens SCALANCE WAM766-1 (US)
  • Siemens SCALANCE WAM766-1 EEC
  • Siemens SCALANCE WAM766-1 EEC (US)
  • Siemens SCALANCE WUM763-1
  • Siemens SCALANCE WUM766-1
  • Siemens SCALANCE WUM766-1 (USA)

Classification

Weakness
  • CWE-664 Improper Control of a Resource Through its Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.