CVE-2019-12583

EPSS 43.9%

Vexday Risk Score

30Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 43.9%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

27 Jun 2019Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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 or Denial of Service.

Affected products

n/a · n/a

References

https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml