CVE-2021-4039

CVSS V2 High 10 CVSS V3 Critical 9.8

Description

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.

Overview

CVE ID
CVE-2021-4039

Assigner
security@zyxel.com.tw

Vulnerability Status
Analyzed

Published Version
2022-03-01T07:15:08

Last Modified Date
2022-04-28T14:02:03

Weakness Enumerations

CWE	URL
CWE-78	http://cwe.mitre.org/data/definitions/78.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:zyxel:nwa1100-nh_firmware::::::::	1	OR		2.12\(aasi.3\)c0
cpe:2.3:h:zyxel:nwa1100-nh:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
10

Severity
HIGH

Exploitability Score
10

Impact Score
10

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml	Patch Vendor Advisory
http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-4039
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4039

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:01:37				Added to TrackCVE
2022-12-06 11:03:44	2022-03-01T07:15Z	2022-03-01T07:15:08	CVE Published Date	updated
2022-12-06 11:03:44		2022-04-28T14:02:03	CVE Modified Date	updated
2022-12-06 11:03:44		Analyzed	Vulnerability Status	updated