CVE-2021-33626
גבוהה 7.8
תיאור (מקור, אנגלית)
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
מדדים
- CVSS 3.1
-
7.8 (HIGH)
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-19/8/2026
- CWE
- CWE-829
מוצרים מושפעים
insyde: insydeh2o; siemens: ruggedcom apr1808 firmware; siemens: ruggedcom apr1808; 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
קישורים
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2021001 Vendor Advisory
- https://www.insyde.com/security-pledge Vendor Advisory
- https://www.insyde.com/security-pledge/SA-2021001 Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0006/ Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220216-0006/ Third Party Advisory
- https://www.kb.cert.org/vuls/id/796611
- https://cert-portal.siemens.com/productcert/html/ssa-306654.html