Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-8336


Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.4, but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 76 products from lenovo, from lenovo, from lenovo and 73 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2020-06-09T20:15:22.693

Last Modified

2024-11-21T05:38:44.077

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.4 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo thinkpad_e14_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_e14 - No
Operating System lenovo thinkpad_e15_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_e15 - No
Operating System lenovo thinkpad_r14_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_r14 - No
Operating System lenovo thinkpad_s3_gen_2_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_s3_gen_2 - No
Operating System lenovo thinkpad_e490s_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_e490s - No
Operating System lenovo thinkpad_s3_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_s3 - No
Operating System lenovo thinkpad_e490_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_e490 - No
Operating System lenovo thinkpad_e590_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_e590 - No
Operating System lenovo thinkpad_r490_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_r490 - No
Operating System lenovo thinkpad_r590_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_r590 - No
Operating System lenovo thinkpad_l13_1st_gen_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_l13_1st_gen - No
Operating System lenovo thinkpad_l1415_gen_1_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_l1415_gen_1 - No
Operating System lenovo thinkpad_l390_yoga_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_l390_yoga - No
Operating System lenovo thinkpad_s2_yoga_4th_gen_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_s2_yoga_4th_gen - No
Operating System lenovo thinkpad_l490_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_l490 - No
Operating System lenovo thinkpad_l590_firmware < 2020-07-10 Yes
Hardware lenovo thinkpad_l590 - No
Operating System lenovo thinkpad_p1_\(20mx\)_firmware < n2eet47w Yes
Hardware lenovo thinkpad_p1_\(20mx\) - No
Operating System lenovo thinkpad_p1_\(20qx\)_firmware < n2oet44w Yes
Hardware lenovo thinkpad_p1_\(20qx\) - No
Operating System lenovo thinkpad_p43s_\(20rx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_p43s_\(20rx\) - No
Operating System lenovo thinkpad_p52_\(20mx\)_firmware < n2cet51w-1.34 Yes
Hardware lenovo thinkpad_p52_\(20mx\) - No
Operating System lenovo thinkpad_p53_\(20qx\)_firmware < n2net37w Yes
Hardware lenovo thinkpad_p53_\(20qx\) - No
Operating System lenovo thinkpad_p53s_\(20nx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_p53s_\(20nx\) - No
Operating System lenovo thinkpad_p72_\(20mx\)_firmware < n2cet51w Yes
Hardware lenovo thinkpad_p72_\(20mx\) - No
Operating System lenovo thinkpad_p73_\(20qx\)_firmware < n2net37w Yes
Hardware lenovo thinkpad_p73_\(20qx\) - No
Operating System lenovo thinkpad_t490_\(20nx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_t490_\(20nx\) - No
Operating System lenovo thinkpad_t490_\(20qx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_t490_\(20qx\) - No
Operating System lenovo thinkpad_t490_\(20rx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_t490_\(20rx\) - No
Operating System lenovo thinkpad_t490s_\(20nx\)_firmware < n2jet87w Yes
Hardware lenovo thinkpad_t490s_\(20nx\) - No
Operating System lenovo thinkpad_t590_\(20nx\)_firmware < n2iet88w Yes
Hardware lenovo thinkpad_t590_\(20nx\) - No
Operating System lenovo thinkpad_x1_carbon_\(20qx\)_firmware < n2het47w Yes
Hardware lenovo thinkpad_x1_carbon_\(20qx\) - No
Operating System lenovo thinkpad_x1_carbon_\(20rx\)_firmware < n2het47w Yes
Hardware lenovo thinkpad_x1_carbon_\(20rx\) - No
Operating System lenovo thinkpad_x1_extreme_\(20mx\)_firmware < n2eet47w Yes
Hardware lenovo thinkpad_x1_extreme_\(20mx\) - No
Operating System lenovo thinkpad_x1_extreme_\(20qx\)_firmware < n2oet44w Yes
Hardware lenovo thinkpad_x1_extreme_\(20qx\) - No
Operating System lenovo thinkpad_x1_yoga_\(20qx\)_firmware < n2het47w Yes
Hardware lenovo thinkpad_x1_yoga_\(20qx\) - No
Operating System lenovo thinkpad_x1_yoga_\(20sx\)_firmware < n2het47w Yes
Hardware lenovo thinkpad_x1_yoga_\(20sx\) - No
Operating System lenovo thinkpad_x390_\(20qx\)_firmware < n2jet87w Yes
Hardware lenovo thinkpad_x390_\(20qx\) - No
Operating System lenovo thinkpad_x390_\(20sx\)_firmware < n2set18w Yes
Hardware lenovo thinkpad_x390_\(20sx\) - No
Operating System lenovo thinkpad_x390_yoga_firmware < n2let74w Yes
Hardware lenovo thinkpad_x390_yoga - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For lenovo's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.