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CVE-2021-35029 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 3.x Severity and Vector Strings:

NIST CVSS score matches with CNA score
CNA:  Zyxel Corporation
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.zyxel.com/support/Zyxel_security_advisory_for_attacks_against_security_appliances.shtml Vendor Advisory 
https://www.zyxel.com/support/Zyxel_security_advisory_for_attacks_against_security_appliances.shtml Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST   Zyxel Corporation  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:zyxel:usg1900_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:zyxel:usg1100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:zyxel:usg310_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:o:zyxel:usg110_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 6 ( hide )
 cpe:2.3:o:zyxel:usg40_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 7 ( hide )
 cpe:2.3:o:zyxel:usg40w_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 8 ( hide )
 cpe:2.3:o:zyxel:usg60_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 9 ( hide )
 cpe:2.3:o:zyxel:usg60w_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 10 ( hide )
 cpe:2.3:o:zyxel:usg300_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg300:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 11 ( hide )
 cpe:2.3:o:zyxel:usg1000_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg1000:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 12 ( hide )
 cpe:2.3:o:zyxel:usg2000_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg2000:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 13 ( hide )
 cpe:2.3:o:zyxel:usg20_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg20:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 14 ( hide )
 cpe:2.3:o:zyxel:usg20w_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg20w:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 15 ( hide )
 cpe:2.3:o:zyxel:usg50_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg50:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 16 ( hide )
 cpe:2.3:o:zyxel:usg100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 17 ( hide )
 cpe:2.3:o:zyxel:usg200_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
4.64
Running on/with
 cpe:2.3:h:zyxel:usg200:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 18 ( hide )
 cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 19 ( hide )
 cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 20 ( hide )
 cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 21 ( hide )
 cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 22 ( hide )
 cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 23 ( hide )
 cpe:2.3:o:zyxel:zywall_atp100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 24 ( hide )
 cpe:2.3:o:zyxel:zywall_atp100w_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp100w:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 25 ( hide )
 cpe:2.3:o:zyxel:zywall_atp200_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp200:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 26 ( hide )
 cpe:2.3:o:zyxel:zywall_atp500_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp500:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 27 ( hide )
 cpe:2.3:o:zyxel:zywall_atp700_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp700:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 28 ( hide )
 cpe:2.3:o:zyxel:zywall_atp800_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_atp800:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 29 ( hide )
 cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 30 ( hide )
 cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 31 ( hide )
 cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 32 ( hide )
 cpe:2.3:o:zyxel:usg20-vpn_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 33 ( hide )
 cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 34 ( hide )
 cpe:2.3:o:zyxel:usg2200-vpn_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:usg2200-vpn:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 35 ( hide )
 cpe:2.3:o:zyxel:zywall_110_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 36 ( hide )
 cpe:2.3:o:zyxel:zywall_310_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Configuration 37 ( hide )
 cpe:2.3:o:zyxel:zywall_1100_firmware:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
From (including)
4.35
Up to (including)
5.01
Running on/with
 cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:*
   Show Matching CPE(s)

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-35029
NVD Published Date:
07/02/2021
NVD Last Modified:
11/21/2024
Source:
Zyxel Corporation