Local Escalation of Privilege in UNISOC BootROM Products
CVE-2022-38691

7.8HIGH

Key Information:

Vendor

Unisoc (shanghai) Technologies Co., Ltd.

Status
Sc9863a//t310/t610/t618/
Vendor
CVE Published:
1 September 2025

What is CVE-2022-38691?

A vulnerability exists in UNISOC BootROM where missing validation for Certificate Type 0 could allow an attacker to escalate privileges locally. This weakness requires no additional execution privileges, potentially giving malicious actors unauthorized access to system resources. It highlights the necessity for robust security measures and validation processes in firmware design.

Affected Version(s)

SC9863A//T310/T610/T618/ /

References

https://www.nccgroup.com/research-blog/there-s-another-ho...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2022-38691 : Local Escalation of Privilege in UNISOC BootROM Products