What is the CVSS score of CVE-2019-12581?

CVE-2019-12581 has a CVSS 3.0 base score of 6.1 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 6.4%.

Is there a public PoC exploit available for CVE-2019-12581?

Yes, a public proof-of-concept exploit is available for CVE-2019-12581. Prioritise patching immediately. EPSS: 6.4%.

Is there a patch available for CVE-2019-12581?

Yes, a patch is available for CVE-2019-12581. Update the affected software to the latest version immediately.

Usg110 Firmware CVE-2019-12581

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2019-06-27 cve@mitre.org

XSS Zyxel Usg110 Firmware Usg210 Firmware Usg310 Firmware Usg1100 Firmware Usg1900 Firmware Usg2200 Vpn Firmware Uag2100 Firmware Uag4100 Firmware Uag5100 Firmware

6.1

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jun 27, 2019 - 15:15 nvd

MEDIUM 6.1

DescriptionNVD

AnalysisAI

A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG devices allows remote attackers to inject arbitrary web script or. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall, USG, and UAG devices allows remote attackers to inject arbitrary web script or HTML via the err_msg parameter. Affected products include: Zyxel Uag2100 Firmware, Zyxel Uag4100 Firmware, Zyxel Uag5100 Firmware, Zyxel Usg110 Firmware, Zyxel Usg210 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.