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CVE-2023-0846— Unauthenticated, stored XSS in display of alarm reduction-key

Quick assessment

Affected
The OpenNMS Group Horizon
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Opennms Group OpenNMS是美国Opennms Group公司的一套开源的企业级网络监视和网络管理平台。 OpenNMS Horizon和Meridian 存在安全漏洞。攻击者利用该漏洞执行跨站脚本攻击，从而访问机密会话信息。

CVSS 6.7 · Medium EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2023-0846

Vulnerability Information
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Vulnerability Title
Unauthenticated, stored XSS in display of alarm reduction-key
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated, stored cross-site scripting in the display of alarm reduction keys in multiple versions of OpenNMS Horizon and Meridian could allow an attacker access to confidential session information. Users should upgrade to Meridian 2023.1.0 or newer, or Horizon 31.0.4. Meridian and Horizon installation instructions state that they are intended for installation within an organization's private networks and should not be directly accessible from the Internet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Opennms Group OpenNMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Opennms Group OpenNMS是美国Opennms Group公司的一套开源的企业级网络监视和网络管理平台。 OpenNMS Horizon和Meridian 存在安全漏洞。攻击者利用该漏洞执行跨站脚本攻击，从而访问机密会话信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
The OpenNMS Group Horizon 26.1.0 ~ 31.0.4 -
The OpenNMS Group Meridian 2020.1.0 ~ 2020.1.32 -

II. Public POCs for CVE-2023-0846

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III. Intelligence Information for CVE-2023-0846

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Patches & Fixes for CVE-2023-0846 (1)

Other References for CVE-2023-0846 (1)

IV. Related Vulnerabilities

Same product: Horizon
Same vendor: The OpenNMS Group
Same weakness: CWE-79

V. Comments for CVE-2023-0846

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