CVE-2019-12583

high-risk
Published 2019-06-27

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.

Do I need to act?

!
59.1% chance of exploitation in next 30 days
EPSS score — higher than 41% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

Affected Vendors

67
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 18/34 · Moderate
Exposure 18/34 · Moderate