CVE-2020-11886Network attack vector

Database read and modification via unneutralized SNMP parameters

Published Apr 17, 2020 · Updated Aug 4, 2024

HQL injection in OpenNMS Horizon before 25.2.1 and affected Meridian branches allows remote authenticated users to read or modify database data. NodeListController passes crafted snmpParm or snmpParmValue inputs from element/nodeList.htm into addCriteriaForSnmpParm without neutralizing HQL syntax. Authenticated web access is required; affected Meridian releases are 2017 before 2017.1.21, 2018 before 2018.1.16, and 2019 before 2019.1.4.

CVSS severity8.1
High
EPSS probability1.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HQL injection in OpenNMS Horizon before 25.2.1 and affected Meridian branches allows remote authenticated users to read or modify database data. NodeListController passes crafted snmpParm or snmpParmValue inputs from element/nodeList.htm into addCriteriaForSnmpParm without neutralizing HQL syntax. Authenticated web access is required; affected Meridian releases are 2017 before 2017.1.21, 2018 before 2018.1.16, and 2019 before 2019.1.4.

The record

CVE
CVE-2020-11886
Published
Apr 17, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-89, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 17, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:N
8.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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