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THREAT OPS › Threat News › [NVD] CVE-2021-43323 (HIGH 8.2) — An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code

[NVD] CVE-2021-43323 (HIGH 8.2) — An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code

lownvdPublished 2022-02-03

CVE-2021-43323 CVSS: 8.2 HIGH Published: 2022-02-03T02:15:07.427

An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45. An SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this is

MITRE ATT&CK techniques

Hijack Execution FlowT1574

Indicators of compromise

CVE-2021-43323cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2021-43323