Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
1

CVE-2023-33010

Disclosure Date: May 24, 2023
Exploited in the Wild
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Initial Access
Techniques
Validation
Validated

Description

A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

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2
Ratings
Technical Analysis

A July 2024 bulletin from multiple U.S. government agencies indicates that North Korean state-sponsored attackers have demonstrated interest in this vulnerability — not immediately clear whether it was exploited or just used in reconnaissance/target selection: https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-207a

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Exploited in the Wild

Reported by:

Additional Info

Technical Analysis