How severe is CVE-2018-11689?

CVE-2018-11689 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-11689 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11689?

CVE-2018-11689 primarily affects Samsung Smartviewer. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11689?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-11689 published?

CVE-2018-11689 was published on 2018-06-14 and last updated on 2026-06-17.

CVE-2018-11689

CVE-2018-11689 is a medium-severity vulnerability in Samsung Smartviewer with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Samsung Smartviewer
Published: 2018-06-14
Last modified: 2026-06-17

Description

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.)

Frequently asked questions

What is CVE-2018-11689?: 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.)
How severe is CVE-2018-11689?: CVE-2018-11689 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11689 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11689?: CVE-2018-11689 primarily affects Samsung Smartviewer. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11689?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11689 published?: CVE-2018-11689 was published on 2018-06-14 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:samsung:smartviewer:-:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-1642_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-842_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-442_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-1641_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-841_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-840_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-440_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:hrd-443_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hanwha-security:srd-1694u_firmware:*:*:*:*:*:*:*:*

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