Vulnerability in Zyxel Uag2100

CVE-2019-12583

Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access…

EPSS: 0.439 (98.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12583?
CVE-2019-12583 is a critical-severity vulnerability in Zyxel Uag2100, classified under Direct Request (Forced Browsing). CVSS score: 9.1/10. Published 2019-06-27.
How severe is CVE-2019-12583?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2019-12583 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.