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Case File

CVE-2021-3396

HIGH · CVSS 8.8 EPSS 2.37% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-17 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-3396
Severity
HIGH
CVSS
8.8
EPSS
2.37%

Original NVD Description

OpenNMS Meridian 2016, 2017, 2018 before 2018.1.25, 2019 before 2019.1.16, and 2020 before 2020.1.5, Horizon 1.2 through 27.0.4, and Newts <1.5.3 has Incorrect Access Control, which allows local and remote code execution using JEXL expressions.

Related CVEs

Other vulnerabilities affecting the same vendor(s)