CVE-2021-35029
Zyxel USG/Zywall Authentication Bypass RCE
Description
An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.
INFO
Published Date :
July 2, 2021, 11:15 a.m.
Last Modified :
July 8, 2021, 6:20 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-35029 has a 2 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-2021-35029
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-2021-35029.
| URL | Resource |
|---|---|
| https://www.zyxel.com/support/Zyxel_security_advisory_for_attacks_against_security_appliances.shtml | 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).
Collect some iot-related security articles, including vulnerability analysis, security conferences and papers, etc.
iot-security
Containing vulnerabilities I've discovered and maybe CVE
cve vulnerability-research
Python C++ C Shell Go
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-35029 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-35029 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]
Jul. 08, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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/support/Zyxel_security_advisory_for_attacks_against_security_appliances.shtml No Types Assigned https://www.zyxel.com/support/Zyxel_security_advisory_for_attacks_against_security_appliances.shtml Vendor Advisory Added CWE NIST CWE-287 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1900_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg310_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg110_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg300_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1000_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg2000_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg2000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg20:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg20w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg50_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 4.64 OR cpe:2.3:h:zyxel:usg200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 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) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp100w_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp200_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp500_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp700_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_atp800_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_atp800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg2200-vpn_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:usg2200-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_110_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_310_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall_1100_firmware:*:*:*:*:*:*:*:* versions from (including) 4.35 up to (including) 5.01 OR cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-35029 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-2021-35029
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.70 }} -0.02%
score
0.79738
percentile