Medium severity · published Feb 23, 2023
CVE-2023-0815
Plaintext Password Present in the Web logs
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
Potential Insertion of Sensitive Information into Jetty Log Files in multiple versions of OpenNMS Meridian and Horizon could allow disclosure of usernames and passwords if the logging level is set to debug. 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HO
Horizon · The OpenNMS Group
26.0.0 before 31.0.4 · source: vendor, NVD
ME
Meridian · The OpenNMS Group
2020.1.0 before 2020.1.32; 2021.1.0 before 2021.1.24; 2022.1.0 before 2022.1.13 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0815
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0815
Release Notes
https://docs.opennms.com/meridian/2022/releasenotes/changelog.html#releasenotes-changelog-Meridian-2022.1.13
Patch
https://github.com/OpenNMS/opennms/pull/5741/files
More from Horizon
9.1
CVE-2026-111235
OpenNMS REST authorization bypass via non-canonical HTTP method
8.8
CVE-2023-40313
Disable BeanShell Interpreter Remote Server Mode
8.2
CVE-2026-89054
OpenNMS missing authorization on /api/v2 PATCH endpoints allows unauthenticated configuration changes
8.0
CVE-2023-40612
Authenticated XXE Injection Via The File Editor
8.0
CVE-2023-40315
ROLE_FILESYSTEM_EDITOR Can Be Used To Escalate To ROLE_ADMIN