CVE-2020-8705
Vulnerability Scoring
Attack Complexity Details
- Attack Complexity: Low Impact
- Attack Vector: PHYSICAL
- Privileges Required: None
- Scope: UNCHANGED
- User Interaction: NONE
CIA Impact Definition
- Confidentiality: HIGH IMPACT
- Integrity: HIGH IMPACT
- Availability: HIGH IMPACT
CVE-2020-8705 Vulnerability Summary
Insecure default initialization of resource in Intel(R) Boot Guard in Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70, 13.0.40, 13.30.10, 14.0.45 and 14.5.25, Intel(R) TXE versions before 3.1.80 and 4.0.30, Intel(R) SPS versions before E5_04.01.04.400, E3_04.01.04.200, SoC-X_04.00.04.200 and SoC-A_04.00.04.300 may allow an unauthenticated user to potentially enable escalation of privileges via physical access.
Access Complexity Graph for CVE-2020-8705
Impact Analysis for CVE-2020-8705
CVE-2020-8705 Detailed Information and External References
Exploit Prediction Scoring System (EPSS)
The EPSS score estimates the probability that this vulnerability will be exploited in the near future.
0.00200
EPSS %
0.58305
References
- https://security.netapp.com/advisory/ntap-20201113-0002/
- https://security.netapp.com/advisory/ntap-20201113-0004/
- https://security.netapp.com/advisory/ntap-20201113-0005/
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391
- https://security.netapp.com/advisory/ntap-20201113-0002/
- https://security.netapp.com/advisory/ntap-20201113-0004/
- https://security.netapp.com/advisory/ntap-20201113-0005/
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391
CWE
CWE-1188CAPEC
- Exploitation of Thunderbolt Protection Flaws CAPEC-665 An adversary leverages a firmware weakness within the Thunderbolt protocol, on a computing device to manipulate Thunderbolt controller firmware in order to exploit vulnerabilities in the implementation of authorization and verification schemes within Thunderbolt protection mechanisms. Upon gaining physical access to a target device, the adversary conducts high-level firmware manipulation of the victim Thunderbolt controller SPI (Serial Peripheral Interface) flash, through the use of a SPI Programing device and an external Thunderbolt device, typically as the target device is booting up. If successful, this allows the adversary to modify memory, subvert authentication mechanisms, spoof identities and content, and extract data and memory from the target device. Currently 7 major vulnerabilities exist within Thunderbolt protocol with 9 attack vectors as noted in the Execution Flow.
Vulnerable Configurations
-
cpe:2.3:a:intel:converged_security_and_manageability_engine:-:*:*:*:*:*:*:*
cpe:2.3:a:intel:converged_security_and_manageability_engine:-:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:converged_security_and_manageability_engine:13.0:*:*:*:*:*:*:*
cpe:2.3:a:intel:converged_security_and_manageability_engine:13.0:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:converged_security_and_manageability_engine:13.30.0:*:*:*:*:*:*:*
cpe:2.3:a:intel:converged_security_and_manageability_engine:13.30.0:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:trusted_execution_technology:3.1.80:*:*:*:*:*:*:*
cpe:2.3:a:intel:trusted_execution_technology:3.1.80:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:trusted_execution_technology:4.0.30:*:*:*:*:*:*:*
cpe:2.3:a:intel:trusted_execution_technology:4.0.30:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:server_platform_services:sps_e3_04.01.04.200:*:*:*:*:*:*:*
cpe:2.3:a:intel:server_platform_services:sps_e3_04.01.04.200:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:server_platform_services:sps_e5_04.01.04.400:*:*:*:*:*:*:*
cpe:2.3:a:intel:server_platform_services:sps_e5_04.01.04.400:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:server_platform_services:sps_soc-a_04.00.04.300:*:*:*:*:*:*:*
cpe:2.3:a:intel:server_platform_services:sps_soc-a_04.00.04.300:*:*:*:*:*:*:*
-
cpe:2.3:a:intel:server_platform_services:sps_soc-x_04.00.04.200:*:*:*:*:*:*:*
cpe:2.3:a:intel:server_platform_services:sps_soc-x_04.00.04.200:*:*:*:*:*:*:*
CVSS3 Source
nvd@nist.gov
CVSS3 Type
Primary
CVSS3 Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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