CVE-2023-0815

Plaintext Password Present in the Web logs

6.8 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.63%Down 0.3 points since Feb 24, 2023

What each source reports

CVE List Score used 6.8

Plaintext Password Present in the Web logs

Record: CVE-2023-0815
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

EUVDEUVD-2023-0684 6.8

Record: EUVD-2023-0684
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9xpj-mvp2-3943 6.5

OpenNMS has potential Insertion of Sensitive Information into Log File vulnerability

Record: GHSA-9xpj-mvp2-3943
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

NVD 6.8

Record: CVE-2023-0815
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

OSV 6.8

Plaintext Password Present in the Web logs

Record: CVE-2023-0815
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

OSVGHSA-9xpj-mvp2-3943 6.5

OpenNMS has potential Insertion of Sensitive Information into Log File vulnerability

Record: GHSA-9xpj-mvp2-3943
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-532
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.opennms:opennms` Maven	before 31.0.4	31.0.4
`org.opennms:opennms` Maven	before 31.0.4, plus listed versions 31.0.3	31.0.4

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-0815 is a medium vulnerability (CVSS 6.8) in Opennms Horizon, published February 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in org.opennms:opennms 31.0.4.