CVE-2023-45077: lenovo bios Out-of-bounds Read
CVSS: 6.7v3.1MediumModified
Published 08-11-2023Last modified 04-09-2024
Vulnerability summary
CVE-2023-45077 is a medium (CVSS 6.7) Out-of-bounds Read vulnerability in lenovo bios. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-11-2023PublishedVulnerability first disclosed.
- 04-09-2024Last modifiedVulnerability information updated.
Description
A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 20-09-2026
20-09-202620-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo62 products
- biosvarious
- ideacentre_3-07ada05_firmware< o4fkt39a
- ideacentre_3-07imb05_firmware< m2vkt21a
- ideacentre_5-14iob6_firmware< m3gkt3da
- ideacentre_c5-14imb05_firmware< o4hkt3ca
1 vendor · 62 products
References
1 links- support.lenovo.com/us/en/product_security/LEN-141775Vendor Advisory