CVE-2021-3396 is an Incorrect Access Control vulnerability affecting OpenNMS Meridian, Horizon, and Newts versions, allowing local and remote code execution via JEXL expressions. With a CVSS score of 8.8 (HIGH), it presents a significant risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the vulnerability's high severity warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 16.0.0, <= 27.0.3CPE matchmatch criteria | cpe:2.3:a:opennms:horizon:*:*:*:*:*:*:*:* | ||
>= 2016.1.0, <= 2016.1.24CPE matchmatch criteria | cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:* | ||
>= 2017.1.0, <= 2017.1.26CPE matchmatch criteria | cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:* | ||
>= 2018.1.0, < 2018.1.25CPE matchmatch criteria | cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:* | ||
>= 2019.1.0, < 2019.1.16CPE matchmatch criteria | cpe:2.3:a:opennms:meridian:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.