CVE-2020-5348: dell cpg bios Use After Free
CVSS: 7.8v3.1HighModified
Published 03-04-2020Last modified 17-09-2024
Vulnerability summary
CVE-2020-5348 is a high (CVSS 7.8) Use After Free vulnerability in dell cpg bios. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-04-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.8–7.8
- CVE.orgCNA6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 20-09-2026
20-09-202620-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Dell2 products
- cpg bios≥ unspecified, < A28
- latitude_7202_firmware< a28
1 vendor · 2 products