Detections
Analytics

Echo: unzip: security update to 6.0-28+e1

low Tenable Cloud Security Plugin ID 462882

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2021-4217)

Solution

Update the unzip library and its related packages to version 6.0-28+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2021-4217

Plugin Details

Severity: Low

ID: 462882

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-4217

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/15/2025

Vulnerability Publication Date: 8/24/2022

Reference Information

CVE: CVE-2021-4217