CVE-2021-42554
גבוהה 8.2
תיאור (מקור, אנגלית)
An issue was discovered in Insyde InsydeH2O with Kernel 5.0 before 05.08.42, Kernel 5.1 before 05.16.42, Kernel 5.2 before 05.26.42, Kernel 5.3 before 05.35.42, Kernel 5.4 before 05.42.51, and Kernel 5.5 before 05.50.51. An SMM memory corruption vulnerability in FvbServicesRuntimeDxe allows a possible attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
מדדים
- CVSS 3.1
-
8.2 (HIGH)
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-14/10/2026
- CWE
- CWE-787
מוצרים מושפעים
insyde: insydeh2o; siemens: simatic field pg m5 firmware; siemens: simatic field pg m5; siemens: simatic field pg m6 firmware; siemens: simatic field pg m6; siemens: simatic ipc127e firmware; siemens: simatic ipc127e; siemens: simatic ipc227g firmware; siemens: simatic ipc227g; siemens: simatic ipc277g firmware; siemens: simatic ipc277g; siemens: simatic ipc327g firmware; siemens: simatic ipc327g; siemens: simatic ipc377g firmware; siemens: simatic ipc377g
קישורים
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022012 Vendor Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2022012 Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0007/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0007/ Third Party Advisory
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html