You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
v4.78
About this tag
The tag v4.78 refers to firmware version V4.78 for Siemens SIPROTEC 4 protection relays. This version is mentioned in the context of CVE-2024-52504, a high-severity denial-of-service vulnerability affecting multiple SIPROTEC 4 models. The vulnerability can be triggered remotely by an unauthenticated attacker during interrupted file-transfer operations and carries a CVSS v4 base score of 8.7. Siemens recommends updating to firmware V4.78 or later where available to mitigate the issue, though many impacted SKUs have no fix planned. The tag is relevant for users and administrators of Siemens SIPROTEC 4 devices seeking information on firmware updates and security patches.
Siemens has confirmed a widespread denial-of-service (DoS) vulnerability affecting multiple models in the SIPROTEC 4 and SIPROTEC 4 Compact line that can be triggered remotely by an unauthenticated attacker during interrupted file-transfer operations; the issue is tracked as CVE-2024-52504 and...