CVE-2020-29583: ZyXel USG - Hardcoded Credentials
Zyxel · Multiple Products
Vendor fix available · Affected: Zyxel Multiple Products · Exploitation: in CISA KEV since 3 Nov 2021
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue3 Nov 2021
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 99% of scored CVEs
DescriptionCVE.org
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 3 Nov 2021 · catalogue entry
- Public check
- ZyXel USG - Hardcoded Credentials · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- Zyxel
- Published
- December 2020
What changed
- CISA added it to the KEV catalogue CISA
CoverageNo articles yet
No CyberSIXT article names CVE-2020-29583 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CISA KEV cataloguecisa.gov
- CVE recordcve.org
- Weakness CWE-522cwe.mitre.org
- zyxel.com/support/security_advisories.shtmlzyxel.com
- ftp.zyxel.com/USG40/firmware/USG40_4.60%28AALA.1%29C0_2.pdfftp.zyxel.com
- businessforum.zyxel.com/discussion/5254/whats-new-for-zld4-60-pabusinessforum.zyxel.com
- businessforum.zyxel.com/discussion/5252/zld-v4-60-revoke-and-wk4businessforum.zyxel.com
- eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.heyecontrol.nl
- zyxel.com/support/CVE-2020-29583.shtmlzyxel.com
- secpod.com/blog/a-secret-zyxel-firewall-and-ap-controllers-couldsecpod.com