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CVE-2019-12583

Published: Jun 27, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-425
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
43.9%
Top 1.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-425

Affected Products

uag2100 firmwarezyxelNetworking Infrastructure
uag4100 firmwarezyxelNetworking Infrastructure
uag5100 firmwarezyxelNetworking Infrastructure
usg110 firmwarezyxelNetworking Infrastructure
usg210 firmwarezyxelNetworking Infrastructure
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.
and 10 more affected products View all →

Exploitability

Official Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify Rather we check it for you?We'll check your whole external perimeter for exposure — free. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

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

Timeline

Published
Jun 27, 2019
Last Updated
Nov 21, 2024

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