A vulnerability has been identified in SCALANCE SC622-2C (All versions < V2.3), SCALANCE SC622-2C (All versions >= 2.3 < V3.0), SCALANCE SC626-2C (All versions < V2.3), SCALANCE SC626-2C (All versions >= 2.3 < V3.0), SCALANCE SC632-2C (All versions < V2.3), SCALANCE SC632-2C (All versions >= 2.3 < V3.0), SCALANCE SC636-2C (All versions < V2.3), SCALANCE SC636-2C (All versions >= 2.3 < V3.0), SCALANCE SC642-2C (All versions < V2.3), SCALANCE SC642-2C (All versions >= 2.3 < V3.0), SCALANCE SC646-2C (All versions < V2.3), SCALANCE SC646-2C (All versions >= 2.3 < V3.0). 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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-46144
• https://cert-portal.siemens.com/productcert/pdf/ssa-413565.pdf
• https://cert-portal.siemens.com/productcert/html/ssa-413565.html
• https://cert-portal.siemens.com/productcert/html/ssa-690517.html