CVE-2020-8705
Intel Boot Guard/ CSME/ TXE/ SPS Default Initialization Privilege Escalation
Description
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.
INFO
Published Date :
Nov. 12, 2020, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 5:39 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2020-8705
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Contact the system OEM for updated firmware.
- Apply the updated firmware to address the vulnerability.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-8705.
| URL | Resource |
|---|---|
| https://security.netapp.com/advisory/ntap-20201113-0002/ | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20201113-0004/ | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20201113-0005/ | Third Party Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20201113-0002/ | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20201113-0004/ | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20201113-0005/ | Third Party Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8705 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-8705
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8705 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8705 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20201113-0002/ Added Reference https://security.netapp.com/advisory/ntap-20201113-0004/ Added Reference https://security.netapp.com/advisory/ntap-20201113-0005/ Added Reference https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Nov. 30, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://security.netapp.com/advisory/ntap-20201113-0002/ No Types Assigned https://security.netapp.com/advisory/ntap-20201113-0002/ Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20201113-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20201113-0004/ Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20201113-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20201113-0005/ Third Party Advisory Changed Reference Type https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 No Types Assigned https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391 Vendor Advisory Added CWE NIST CWE-1188 Added CPE Configuration OR *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions up to (excluding) 11.8.80 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 11.12.0 up to (excluding) 11.12.80 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 11.22.0 up to (excluding) 11.22.80 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 12.0 up to (excluding) 12.0.70 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 13.0 up to (excluding) 13.0.40 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 13.30.0 up to (excluding) 13.30.10 *cpe:2.3:a:intel:converged_security_and_manageability_engine:*:*:*:*:*:*:*:* versions from (including) 14.0 up to (excluding) 14.0.45 Added CPE Configuration OR *cpe:2.3:a:intel:trusted_execution_technology:3.1.80:*:*:*:*:*:*:* *cpe:2.3:a:intel:trusted_execution_technology:4.0.30:*:*:*:*:*:*:* Added CPE Configuration OR *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_soc-a_04.00.04.300:*:*:*:*:*:*:* *cpe:2.3:a:intel:server_platform_services:sps_soc-x_04.00.04.200:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 13, 2020
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20201113-0005/ [No Types Assigned] Added Reference https://security.netapp.com/advisory/ntap-20201113-0002/ [No Types Assigned] Added Reference https://security.netapp.com/advisory/ntap-20201113-0004/ [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 6.8
Base CVSS Score: 4.6
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.60 }} 0.39%
score
0.68446
percentile