CVE-2023-33010
Zyxel Multiple Firewalls Buffer Overflow Vulnerabi - [Actively Exploited]
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.
INFO
Published Date :
May 24, 2023, 1:15 p.m.
Last Modified :
June 7, 2023, 6:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, VPN, and ZyWALL/USG firewalls contain a buffer overflow vulnerability in the ID processing function that could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and remote code execution on an affected device.
Apply updates per vendor instructions.
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls
Public PoC/Exploit Available at Github
CVE-2023-33010 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2023-33010
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-33010.
| URL | Resource |
|---|---|
| https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-33010 vulnerability anywhere in the article.
-
Cybersecurity News
CVE-2024-6342: Critical Command Injection Flaw in Zyxel NAS Devices, Hotfixes Released for End-of-Support Products
Zyxel has released critical hotfixes for two of its NAS products, NAS326 and NAS542, which have already reached their end-of-vulnerability-support lifecycle. These devices are susceptible to a command ... Read more
-
Cybersecurity News
CVE-2024-7261 (CVSS 9.8): Zyxel Patches Critical Vulnerability in Wi-Fi Devices
Zyxel, a prominent networking equipment manufacturer, has issued a security advisory urging users to promptly update their firmware to address a critical vulnerability affecting a range of their acces ... Read more
The following table lists the changes that have been made to the
CVE-2023-33010 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jun. 06, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls No Types Assigned https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls Vendor Advisory Added CWE NIST CWE-120 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp100_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp100_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp200_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp200_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp500_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp500_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp500_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp100w_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp100w_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp700_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp700_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.32 up to (excluding) 5.36 *cpe:2.3:o:zyxel:atp800_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:atp800_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_100_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_100_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_50_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_50_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_200_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_200_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_500_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_500_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_700_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_700_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.50 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg_20w-vpn_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_20w-vpn_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_20w-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (excluding) 5.36 *cpe:2.3:o:zyxel:vpn100_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:vpn100_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (excluding) 5.36 *cpe:2.3:o:zyxel:vpn50_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:vpn50_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (excluding) 5.36 *cpe:2.3:o:zyxel:vpn300_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:vpn300_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (excluding) 5.36 *cpe:2.3:o:zyxel:vpn1000_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:vpn1000_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.30 up to (excluding) 5.36 *cpe:2.3:o:zyxel:usg20-vpn_firmware:5.36:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg20-vpn_firmware:5.36:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_40_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.73 *cpe:2.3:o:zyxel:usg_40_firmware:4.73:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_40_firmware:4.73:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_40:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_40w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.73 *cpe:2.3:o:zyxel:usg_40w_firmware:4.73:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_40w_firmware:4.73:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_40w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_60w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.73 *cpe:2.3:o:zyxel:usg_60w_firmware:4.73:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_60w_firmware:4.73:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_60w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_60_firmware:*:*:*:*:*:*:*:* versions from (including) 4.25 up to (excluding) 4.73 *cpe:2.3:o:zyxel:usg_60_firmware:4.73:-:*:*:*:*:*:* *cpe:2.3:o:zyxel:usg_60_firmware:4.73:patch1:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_60:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-33010 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-33010
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.47 }} 0.18%
score
0.90342
percentile