CVE-2018-11689

Exp

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.)

Published: 2018-06-14 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-11689 is rated High Exploit Risk (61.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.56%). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-11689

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-11689

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 1.88% 0.56% -1.32%
2 2025-11-18 0.56% 1.88% +1.32%
3 2025-08-04 — 0.56% —

Full EPSS history (22 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11689

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-11689

Affected software / configurations for CVE-2018-11689

Vendor Product Version Raw CPE
samsung smartviewer — cpe:2.3:a:samsung:smartviewer:-:*:*:*:*:*:*:*
hanwha-security hrd-1642_firmware <= 1.16 cpe:2.3:o:hanwha-security:hrd-1642_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-842_firmware <= 1.16 cpe:2.3:o:hanwha-security:hrd-842_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-442_firmware <= 1.16 cpe:2.3:o:hanwha-security:hrd-442_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-1641_firmware <= 1.14 cpe:2.3:o:hanwha-security:hrd-1641_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-841_firmware <= 1.14 cpe:2.3:o:hanwha-security:hrd-841_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-840_firmware <= 1.14 cpe:2.3:o:hanwha-security:hrd-840_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-440_firmware <= 1.14 cpe:2.3:o:hanwha-security:hrd-440_firmware:*:*:*:*:*:*:*:*
hanwha-security hrd-443_firmware <= 1.14 cpe:2.3:o:hanwha-security:hrd-443_firmware:*:*:*:*:*:*:*:*
hanwha-security srd-1694u_firmware <= 1.14 cpe:2.3:o:hanwha-security:srd-1694u_firmware:*:*:*:*:*:*:*:*

References for CVE-2018-11689

URL Tags
http://www.securityfocus.com/archive/1/542083/100/0/threaded Exploit Third Party Advisory VDB Entry URL Repurposed
https://drive.google.com/file/d/1aWbvdrx1KRkUv4ikkm530a2N5qrxCLmr/view?usp=sharing Exploit Third Party Advisory
https://seclists.org/bugtraq/2018/Jun/40 Exploit Mailing List Third Party Advisory
https://vulmon.com/vulnerabilitydetails?qid=CVE-2018-11689 Third Party Advisory
cvelogic Threat Intelligence