CISA has released an advisory on a missing authentication for critical function vulnerability in Siemens SCALANCE X Switches. Multiple products and versions of these products are affected. Successful exploitation of this vulnerability could allow an unauthenticated attacker to violate access-control rules. Siemens has identified workarounds and mitigations affected users can apply to reduce the risk. CISA also recommends a series of measures to mitigate the vulnerability. Read the advisory at CISA.