Siemens SIMATIC S7-1500 Missing Release of Resource after Effective Lifetime (CVE-2025-38721)

Version 1.2

Feb 17, 2026, 9:07 AM

CVSS metrics ("CVSSv2 score" set to 4.6)
CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C")
CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C")
CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C")
CVSSv2 severity (based on CVE-2025-38721, severity decreased from "High" to "Medium")