CVE-2020-8320: lenovo bios Active Debug Code
CVSS: 6.8v3.1MediumModified
Published 09-06-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-8320 is a medium (CVSS 6.8) Active Debug Code vulnerability in lenovo bios. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.6% of scored vulnerabilities.
CVSS score
6.8/10
010
Medium · v3.1 (NVD)EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.8Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.4–6.8
- CVE.orgCNA6.4MediumCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% on 19-09-2026
19-09-202619-10-2026
EPSS score0.28%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo101 products
- biosvarious
- thinkpad_11e_firmware< 2020-07-10
- thinkpad_11e_yoga_gen_6_firmware< 2020-07-10
- thinkpad_13_firmware< 2020-07-10
- thinkpad_13_2nd_gen_firmware< 2020-07-10
1 vendor · 101 products