CVE-2021-4217
3.3
LOW
CVSS 3.1
EPSS 0.19%
Description
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
How to fix CVE-2021-4217
To remediate CVE-2021-4217, upgrade the affected package to a fixed version below.
- Alpine/unzip—upgrade to 6.0-r11 or later
- —no fix listed
Is CVE-2021-4217 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.0-r11
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |