CVE-2021-42554

Katalog CVE

CVSS 8.2 · High EPSS 0,33%

Kerentanan Out-of-bounds Write pada insydeh2o, siemens simatic field pg m5 firmware +14 lainnya. Skor CVSS 3.1 8.2 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

3 Februari 2022

Terakhir diubah

11 Agustus 2026

Status NVD

Modified

CVSS 3.1

8.2 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,33% peluang dieksploitasi; lebih tinggi dari 23,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.insyde.com/security-pledge advisory vendor
• https://www.insyde.com/security-pledge/SA-2022012 advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20220216-0007/ advisory pihak ketiga
• https://www.kb.cert.org/vuls/id/796611
• https://cert-portal.siemens.com/productcert/html/ssa-306654.html