CVE-2020-5324

HIGH

Dell G3/G5/G7/Inspiron Firmware - Arbitrary File Overwrite via Symlink Attack

Title source: llm
STIX 2.1

Description

Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability. The vulnerability is limited to the Dell Firmware Update Utility during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.dell.com/support/article/SLN320348

Scores

CVSS v3 7.1
EPSS 0.0010
EPSS Percentile 27.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Details

CWE
CWE-427 CWE-59
Status published
Products (50)
dell/g3_15_3590_firmware < 1.9.2
dell/g3_3579_firmware < 1.11.0
dell/g3_3779_firmware < 1.11.0
dell/g5_15_5590_firmware < 1.11.1
dell/g5_5090_firmware < 1.1.2
dell/g5_5587_firmware < 1.12.2
dell/g7_15_7590_firmware < 1.11.1
dell/g7_17_7790_firmware < 1.11.1
dell/g7_7588_firmware < 1.12.2
dell/inspiron_14_5490_firmware < 1.4.0
... and 40 more
Published Feb 21, 2020
Tracked Since Feb 18, 2026