CVE-2021-26370
moderate-risk
Published 2022-05-10
Improper validation of destination address in SVC_LOAD_FW_IMAGE_BY_INSTANCE and SVC_LOAD_BINARY_BY_ATTRIB in a malicious UApp or ABL may allow an attacker to overwrite arbitrary bootloader memory with SPI ROM contents resulting in a loss of integrity and availability.
Do I need to act?
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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10
High
LOCAL
/ LOW complexity
Affected Products (20)
Affected Vendors
References (2)
48
/ 100
moderate-risk
Severity
22/34 · High
Exploitability
1/34 · Minimal
Exposure
25/34 · High