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CVE-2022-30526

Published: Jul 19, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-269
7.8HIGH
NVD MITRE
EPSS Score
1.1%
Top 38.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-269

Affected Products

Zyxel Communications Corp.
commercial·TWaka zyxel
ATP
Networking Infrastructure
VPN
Networking Infrastructure
USG
Networking Infrastructure
ZyWALL
Networking Infrastructure
USG FLEX 50(W)
Networking Infrastructure
USG USG20(W)-VPN
Networking Infrastructure
USG FLEX 100W
Networking Infrastructure
USG FLEX 200
Networking Infrastructure
and 36 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.rapid7.com/blog/post/2022/07/19/cve-2022-30526-fixed-zyxel-firewall-local-privilege-escalation/
rapid7.com
https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml
zyxel.com
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
packetstormsecurity.com

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