TL;DR

Local attackers can escalate privileges on affected Siemens SINEC NMS installations by exploiting an uncontrolled search path element vulnerability.

What happened

['Siemens SINEC NMS contains a critical vulnerability that enables local privilege escalation']

Why it matters for ops

['Attackers need only low-privileged code execution to exploit this flaw and escalate their privileges on the system']

Mitigation

  • Apply patches provided by Siemens for CVE-2026-25655
  • Monitor system logs for signs of exploitation

Action items

  • Update to the latest security patch for SINEC NMS as soon as possible

Detection IOCs

  • Unauthorized administrative actions
  • Unexpected logins from non-administrative accounts

Source link

http://www.zerodayinitiative.com/advisories/ZDI-26-131/