Vulnerability Name: | CVE-2020-12961 (CCN-213565) |
Assigned: | 2020-05-15 |
Published: | 2021-01-29 |
Updated: | 2021-11-19 |
Summary: | A potential vulnerability exists in AMD Platform Security Processor (PSP) that may allow an attacker to zero any privileged register on the System Management Network which may lead to bypassing SPI ROM protections.
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CVSS v3 Severity: | 7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) 6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): High Integrity (I): High Availibility (A): High | 6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N) 5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)Exploitability Metrics: | Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None | Scope: | Scope (S): Unchanged
| Impact Metrics: | Confidentiality (C): None Integrity (I): High Availibility (A): None |
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CVSS v2 Severity: | 4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)Exploitability Metrics: | Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None | Impact Metrics: | Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial | 4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N)Exploitability Metrics: | Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
| Impact Metrics: | Confidentiality (C): None Integrity (I): Complete Availibility (A): None |
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Vulnerability Type: | CWE-noinfo
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Vulnerability Consequences: | Bypass Security |
References: | Source: MITRE Type: CNA CVE-2020-12961
Source: XF Type: UNKNOWN amd-cve202012961-sec-bypass(213565)
Source: CCN Type: AMD-SB-1021 AMD Server Vulnerabilities
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