CVE-2020-29583
Zyxel Multiple Products Use of Hard-Coded Credenti - [Actively Exploited]
Description
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.
INFO
Published Date :
Dec. 22, 2020, 10:15 p.m.
Last Modified :
July 26, 2024, 7:46 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 firewalls (ATP, USG, VM) and AP Controllers (NXC2500 and NXC5500) contain a use of hard-coded credentials vulnerability in an undocumented account ("zyfwp") with an unchangeable password.
Apply updates per vendor instructions.
Public PoC/Exploit Available at Github
CVE-2020-29583 has a 14 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-2020-29583
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-2020-29583
.
URL | Resource |
---|---|
http://ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdf | Broken Link |
https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release | Release Notes |
https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15 | Release Notes |
https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html | Broken Link Third Party Advisory |
https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/ | Exploit Third Party Advisory |
https://www.zyxel.com/support/CVE-2020-29583.shtml | Vendor Advisory |
https://www.zyxel.com/support/security_advisories.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).
中间件的exp
None
CSS HTML JavaScript
poc集合(持续更新ing)
A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库
vulnerability
None
Python Shell C# Java PHP
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
一个漏洞POC知识库 目前数量 1000+
poc
安全类各家文库大乱斗
HTML CSS JavaScript Go Python Shell C
None
None
Python Shell C# Java PHP
You may modify and re-distribute this software as long as the project name "BruteX", credit to the author "xer0dayz" and website URL "https://xerosecurity.com" are NOT mofified. Doing so will break the license agreement and a takedown notice will be issued.
None
2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总
Scanner for Zyxel products which are potentially vulnerable due to an undocumented user account (CVE-2020-29583)
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-29583
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-29583
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.
-
Modified Analysis by [email protected]
Jul. 26, 2024
Action Type Old Value New Value Changed Reference Type http://ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdf No Types Assigned http://ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdf Broken Link Changed Reference Type https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release Release Notes, Vendor Advisory https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release Release Notes Changed Reference Type https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15 Release Notes, Vendor Advisory https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15 Release Notes Changed Reference Type https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html Third Party Advisory https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html Broken Link, Third Party Advisory Changed Reference Type https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/ No Types Assigned https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/ Exploit, Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp100w_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp200_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp500_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp700_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp700:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:atp800_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn50_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn100_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn300_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:vpn1000_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:vpn1000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_100w_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_200_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_500_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg_flex_700_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE http://ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdf [No types assigned] Removed Reference MITRE http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf -
CVE Modified by [email protected]
Oct. 28, 2023
Action Type Old Value New Value Added Reference https://www.secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-could-allow-for-administrative-access-cve-2020-29583/ [No Types Assigned] -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-312 CWE-522 -
Reanalysis by [email protected]
Jan. 14, 2021
Action Type Old Value New Value Removed CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Removed CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
Initial Analysis by [email protected]
Dec. 23, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf No Types Assigned http://ftp.zyxel.com/USG40/firmware/USG40_4.60(AALA.1)C0_2.pdf Vendor Advisory Changed Reference Type https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release No Types Assigned https://businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk48-firmware-release Release Notes, Vendor Advisory Changed Reference Type https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15 No Types Assigned https://businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-patch-1-available-on-dec-15 Release Notes, Vendor Advisory Changed Reference Type https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html No Types Assigned https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html Third Party Advisory Changed Reference Type https://www.zyxel.com/support/CVE-2020-29583.shtml No Types Assigned https://www.zyxel.com/support/CVE-2020-29583.shtml Vendor Advisory Changed Reference Type https://www.zyxel.com/support/security_advisories.shtml No Types Assigned https://www.zyxel.com/support/security_advisories.shtml Vendor Advisory Added CWE NIST CWE-312 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20-vpn_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg20w-vpn_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg40w_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg60w_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg110_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg210_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg310_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1100_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg1900_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:usg2200_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:usg2200:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall110_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall310_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall310:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:zywall1100_firmware:4.60:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:zywall1100:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 23, 2020
Action Type Old Value New Value Added Reference https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html [No Types Assigned] Added Reference https://www.zyxel.com/support/CVE-2020-29583.shtml [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-29583
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-2020-29583
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
96.57 }} 0.25%
score
0.99663
percentile