Vulnerability Monitor

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CVE-2021-42060

An issue was discovered in Insyde InsydeH2O Kernel 5.0 through 05.08.41, Kernel 5.1 through 05.16.41, Kernel 5.2 before 05.23.22, and Kernel 5.3 before 05.32.22. An Int15ServiceSmm SMM callout vulnerability allows an attacker to hijack execution flow of code running in System Management Mode. Exploiting this issue could lead to escalating privileges to SMM.

Published

2022-02-03T02:15:07.293

Last Modified

2024-11-21T06:27:10.010

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	insyde	insydeh2o	< 5.23.35	Yes
Application	insyde	insydeh2o	< 5.32.35	Yes
Application	insyde	insydeh2o	< 5.16.42	Yes
Application	insyde	insydeh2o	< 05.08.49	Yes

References

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20220217-0015/ Third Party Advisory ([email protected])
https://www.insyde.com/security-pledge Vendor Advisory ([email protected])
https://www.insyde.com/security-pledge/SA-2022007 Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20220217-0015/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.insyde.com/security-pledge/SA-2022007 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)