CVE-2019-12583 is a critical missing access control vulnerability affecting Zyxel UAG, USG, and ZyWall devices, specifically within the "Free Time" component. This flaw allows remote attackers to generate guest accounts without authorization, potentially leading to unauthorized network access or denial of service. With a CVSS score of 9.1 (Critical), the vulnerability is easily exploitable over the network with low complexity and no user interaction, enabling high impact to integrity and availability. While not listed in CISA's KEV catalog or actively exploited, a Nuclei template exists for detection, indicating potential for exploitation. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.18\(aaiz.1\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:uag2100_firmware:*:*:*:*:*:*:*:* | ||
<= 4.18\(aatd.1\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:uag4100_firmware:*:*:*:*:*:*:*:* | ||
<= 4.18\(aapn.1\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:uag5100_firmware:*:*:*:*:*:*:*:* | ||
<= 4.33\(aaph.0\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:usg110_firmware:*:*:*:*:*:*:*:* | ||
<= 4.33\(aapi.0\)c0CPE matchmatch criteria | cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.