Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV N L N N U H H H 9.8 .9015 99.8 YES
AFFECTED Product Versions Fixed n/a n/a – —
TIMELINE Dec 6 Reserved by mitre Dec 22 Published (CNA: mitre) Nov 3 Added to CISA KEV, remediation due 2022-05-03
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.
| Date | Event | Detail |
|---|---|---|
| December 6, 2020 | Reserved | Reserved by mitre |
| December 22, 2020 | Published | Published (CNA: mitre) |
| November 3, 2021 | KEV ADDED | Added to CISA KEV, remediation due 2022-05-03 |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| n/a | n/a | — | n/a | — |
Authoritative record: CVE-2020-29583 at cve.org
Weaknesses: CWE-522
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2020-29583 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
