What is the CVSS score of CVE-2018-11689?

CVE-2018-11689 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 1.6%.

Is there a public PoC exploit available for CVE-2018-11689?

Yes, a public proof-of-concept exploit is available for CVE-2018-11689. Prioritise patching immediately. EPSS: 1.6%.

Smartviewer CVE-2018-11689

MEDIUM

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

2018-06-14 cve@mitre.org

XSS Samsung Smartviewer Hrd 1642 Firmware Hrd 842 Firmware Hrd 442 Firmware Hrd 1641 Firmware Hrd 841 Firmware Hrd 840 Firmware Hrd 440 Firmware Hrd 443 Firmware Srd 1694U Firmware

6.1

CVSS 3.1 · 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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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 14, 2018 - 20:29 nvd

MEDIUM 6.1

DescriptionNVD

Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. (The same Web Viewer codebase was transitioned from Samsung to Hanwha.)

AnalysisAI

Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch 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. Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. (The same Web Viewer codebase was transitioned from Samsung to Hanwha.) Affected products include: Samsung Smartviewer, Hanwha-Security Hrd-1642 Firmware, Hanwha-Security Hrd-842 Firmware, Hanwha-Security Hrd-442 Firmware, Hanwha-Security Hrd-1641 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.