CVE-2022-2030

Summary

A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.

Affected Software

VendorProductVersion RangeStatus
ZyxelUSG FLEX 100(W) firmware4.50 through 5.30affected
ZyxelUSG FLEX 200 firmware4.50 through 5.30affected
ZyxelUSG FLEX 500 firmware4.50 through 5.30affected
ZyxelUSG FLEX 700 firmware4.50 through 5.30affected
ZyxelATP series firmware4.32 through 5.30affected
ZyxelVPN series firmware4.30 through 5.30affected
ZyxelUSG FLEX 50(W) firmware4.16 through 5.30affected
ZyxelUSG 20(W)-VPN firmware4.16 through 5.30affected
ZyxelUSG/ZyWALL series firmware4.11 through 4.72affected

Weaknesses

  • CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ADP Enrichment

CVE Program Container

Additional References

References