| Vulnerability Name: | CVE-2020-8334 (CCN-183176) |
| Assigned: | 2020-06-09 |
| Published: | 2020-06-09 |
| Updated: | 2021-07-21 |
| Summary: | The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
|
| CVSS v3 Severity: | 6.8 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)| Exploitability Metrics: | Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None | | Scope: | Scope (S): Unchanged
| | Impact Metrics: | Confidentiality (C): High
Integrity (I): High
Availibility (A): High |
7.7 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
6.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/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): High
Integrity (I): High
Availibility (A): None |
|
| 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 |
6.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:N)| Exploitability Metrics: | Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
| | Impact Metrics: | Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None |
|
| Vulnerability Type: | CWE-863
|
| Vulnerability Consequences: | Bypass Security |
| References: | Source: MITRE
Type: CNA
CVE-2020-8334
Source: XF
Type: UNKNOWN
lenovo-cve20208334-sec-bypass(183176)
Source: CCN
Type: Lenovo Security Advisory: LEN-30042
Multi-vendor BIOS Security Vulnerabilities (June 2020)
Source: MISC
Type: Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-30042
|
| Vulnerable Configuration: | Configuration 1:
cpe:/o:lenovo:thinkpad_t495s_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_t495s:-:*:*:*:*:*:*:*
Configuration 2:
cpe:/o:lenovo:thinkpad_x395_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_x395:-:*:*:*:*:*:*:*
Configuration 3:
cpe:/o:lenovo:thinkpad_t495_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_t495:-:*:*:*:*:*:*:*
Configuration 4:
cpe:/o:lenovo:thinkpad_a485_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_a485:-:*:*:*:*:*:*:*
Configuration 5:
cpe:/o:lenovo:thinkpad_a285_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_a285:-:*:*:*:*:*:*:*
Configuration 6:
cpe:/o:lenovo:thinkpad_a475_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_a475:-:*:*:*:*:*:*:*
Configuration 7:
cpe:/o:lenovo:thinkpad_a275_firmware:-:*:*:*:*:*:*:*AND cpe:/h:lenovo:thinkpad_a275:-:*:*:*:*:*:*:*
Configuration CCN 1:
cpe:/h:lenovo:thinkpad_x395:-:*:*:*:*:*:*:*OR cpe:/h:lenovo:thinkpad_t495:-:*:*:*:*:*:*:*OR cpe:/h:lenovo:thinkpad_a485:-:*:*:*:*:*:*:*OR cpe:/h:lenovo:thinkpad_a285:-:*:*:*:*:*:*:*OR cpe:/h:lenovo:thinkpad_a475:-:*:*:*:*:*:*:*OR cpe:/h:lenovo:thinkpad_a275:-:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
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