CVE-2020-5955
"InsydeH2O Int15MicrocodeSmm Privilege Escalation Vulnerability"
Description
An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges.
INFO
Published Date :
Nov. 3, 2021, 1:15 a.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2020-5955.
| URL | Resource |
|---|---|
| https://security.netapp.com/advisory/ntap-20220223-0003/ | Third Party Advisory |
| https://www.insyde.com/products | Product Vendor Advisory |
| https://www.insyde.com/security-pledge/SA-2021002 | Vendor Advisory |
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-2020-5955 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-5955 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-269 NVD-CWE-noinfo -
Modified Analysis by [email protected]
Apr. 12, 2022
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20220223-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20220223-0003/ Third Party Advisory -
CVE Modified by [email protected]
Feb. 24, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20220223-0003/ [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 10, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.insyde.com/products No Types Assigned https://www.insyde.com/products Product, Vendor Advisory Changed Reference Type https://www.insyde.com/security-pledge/SA-2021002 No Types Assigned https://www.insyde.com/security-pledge/SA-2021002 Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.32.30.0001 OR cpe:2.3:h:intel:ice_lake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.41.35.0001 OR cpe:2.3:h:intel:tiger_lake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.42.11.0026 OR cpe:2.3:h:intel:whitley-sp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.04.21.0068 OR cpe:2.3:h:intel:grantley-ep:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.42.09.0003 OR cpe:2.3:h:intel:elkhart_lake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.21.51.0040 OR cpe:2.3:h:intel:purley-ep_refresh_neon_city:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.34.09.0030 OR cpe:2.3:h:intel:comet_lake_rvp:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.34.09.0030 OR cpe:2.3:h:intel:comet_lake_rvp:-:*:*:*:server:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.32.47.0001 OR cpe:2.3:h:intel:comet_lake:-:*:*:*:client:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.45.0023 OR cpe:2.3:h:intel:whiskey_lake_rvp:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.45.0023 OR cpe:2.3:h:intel:whiskey_lake_rvp:-:*:*:*:server:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.21.43.0001 OR cpe:2.3:h:intel:whiskey_lake:-:*:*:*:client:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.04.0045 OR cpe:2.3:h:intel:mehlow:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.04.0045 OR cpe:2.3:h:intel:mehlow-r:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.04.0045 OR cpe:2.3:h:intel:mehlow-r:-:*:*:*:server:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.04.0045 OR cpe:2.3:h:intel:mehlow:-:*:*:*:server:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.21.43.0001 OR cpe:2.3:h:intel:coffee_lake:-:*:*:*:client:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.21.43.0001 OR cpe:2.3:h:intel:cannon_lake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.11.26.0015 OR cpe:2.3:h:intel:kaby_lake_mrd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.12.09.0075 OR cpe:2.3:h:intel:greenlow:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.12.09.0075 OR cpe:2.3:h:intel:greenlow-r:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.12.09.0075 OR cpe:2.3:h:intel:greenlow:-:*:*:*:server:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.12.09.0075 OR cpe:2.3:h:intel:greenlow-r:-:*:*:*:embedded:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.10.48.0001 OR cpe:2.3:h:intel:kaby_lake:-:*:*:*:client:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.05.39.0001 OR cpe:2.3:h:intel:skylake_mrd:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.04.15.0001 OR cpe:2.3:h:intel:skylake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.27.0001 OR cpe:2.3:h:intel:coffee_lake:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:insyde:insydeh2o_uefi_bios:*:*:*:*:*:*:*:* versions up to (excluding) 05.23.27.0001 OR cpe:2.3:h:intel:whiskey_lake:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-5955 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-2020-5955
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} 0.02%
score
0.61781
percentile