CVE-2026-5818
7.2
CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H
Summary
Incorrect check of function return value in Caliptra Core Runtime Firmware (ActivateFirmwareCmd::activate_fw modules) allows bypass of Caliptra Core's verification of the MCU FW during a hitless update.
This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Caliptra | Core Runtime Firmware | 2.0.0 <= 2.0.1 | affected |
| Caliptra | Core Runtime Firmware | 2.1.0 | affected |
| Caliptra | Core Runtime Firmware | 2.0.2 | unaffected |
| Caliptra | Core Runtime Firmware | 2.1.1 | unaffected |
Weaknesses
- CWE-253: CWE-253 Incorrect check of function return value
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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