CVE-2020-8336
Lenovo ThinkPad CSME Firmware Privilege Escalation
Description
Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.
INFO
Published Date :
June 9, 2020, 8:15 p.m.
Last Modified :
June 22, 2020, 1:44 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.9
Affected Products
The following products are affected by CVE-2020-8336
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.
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-2020-8336.
| URL | Resource |
|---|---|
| https://support.lenovo.com/us/en/product_security/LEN-30042 | 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-2020-8336 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8336 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 -
Initial Analysis by [email protected]
Jun. 22, 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://support.lenovo.com/us/en/product_security/LEN-30042 No Types Assigned https://support.lenovo.com/us/en/product_security/LEN-30042 Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e14_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_e14:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e15_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_e15:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_r14_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_r14:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s3_gen_2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_s3_gen_2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e490s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_e490s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_s3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e490_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_e490:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_e590_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_e590:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_r490_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_r490:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_r590_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_r590:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l13_1st_gen_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_l13_1st_gen:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l1415_gen_1_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_l1415_gen_1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l390_yoga_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_l390_yoga:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_s2_yoga_4th_gen_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_s2_yoga_4th_gen:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l490_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_l490:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_l590_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2020-07-10 OR cpe:2.3:h:lenovo:thinkpad_l590:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p1_\(20mx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2eet47w OR cpe:2.3:h:lenovo:thinkpad_p1_\(20mx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p1_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2oet44w OR cpe:2.3:h:lenovo:thinkpad_p1_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p43s_\(20rx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_p43s_\(20rx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p52_\(20mx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2cet51w-1.34 OR cpe:2.3:h:lenovo:thinkpad_p52_\(20mx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p53_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2net37w OR cpe:2.3:h:lenovo:thinkpad_p53_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p53s_\(20nx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_p53s_\(20nx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p72_\(20mx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2cet51w OR cpe:2.3:h:lenovo:thinkpad_p72_\(20mx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_p73_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2net37w OR cpe:2.3:h:lenovo:thinkpad_p73_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t490_\(20nx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_t490_\(20nx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t490_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_t490_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t490_\(20rx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_t490_\(20rx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t490s_\(20nx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2jet87w OR cpe:2.3:h:lenovo:thinkpad_t490s_\(20nx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_t590_\(20nx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2iet88w OR cpe:2.3:h:lenovo:thinkpad_t590_\(20nx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2het47w OR cpe:2.3:h:lenovo:thinkpad_x1_carbon_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_carbon_\(20rx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2het47w OR cpe:2.3:h:lenovo:thinkpad_x1_carbon_\(20rx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_extreme_\(20mx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2eet47w OR cpe:2.3:h:lenovo:thinkpad_x1_extreme_\(20mx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_extreme_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2oet44w OR cpe:2.3:h:lenovo:thinkpad_x1_extreme_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_yoga_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2het47w OR cpe:2.3:h:lenovo:thinkpad_x1_yoga_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x1_yoga_\(20sx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2het47w OR cpe:2.3:h:lenovo:thinkpad_x1_yoga_\(20sx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x390_\(20qx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2jet87w OR cpe:2.3:h:lenovo:thinkpad_x390_\(20qx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x390_\(20sx\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2set18w OR cpe:2.3:h:lenovo:thinkpad_x390_\(20sx\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:lenovo:thinkpad_x390_yoga_firmware:*:*:*:*:*:*:*:* versions up to (excluding) n2let74w OR cpe:2.3:h:lenovo:thinkpad_x390_yoga:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8336 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-2020-8336
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.00%
score
0.28533
percentile