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Unrated severityNVD Advisory· Published Apr 24, 2023· Updated Aug 2, 2024

CVE-2023-27990

CVE-2023-27990

Description

The cross-site scripting (XSS) vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker with administrator privileges to store malicious scripts in a vulnerable device. A successful XSS attack could then result in the stored malicious scripts being executed when the user visits the Logs page of the GUI on the device.

Affected products

5
  • Zyxel/ATP seriescpe-rescue
    Range: 4.32 through 5.35
  • Zyxel/USG20(W)-VPN firmwarev5
    Range: 4.16 through 5.35
  • Zyxel/USG FLEX 50(W) firmwarev5
    Range: 4.16 through 5.35
  • Zyxel/USG FLEX seriescpe-rescue
    Range: 4.50 through 5.35
  • Zyxel/VPN seriescpe-rescue
    Range: 4.30 through 5.35

Patches

0

No patches discovered yet.

Vulnerability mechanics

No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.

References

1

News mentions

0

No linked articles in our index yet.