02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: OpenNMSUnauthenticated, stored XSS in display of alarm reduction-key
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.49% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 40.0% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
SCHEMA: 5.1
- Published
- 2023-02-22 18:35Z3 YR AGO
- Last updated
- 2024-08-02 05:24Z2 YR AGO
- Reserved
- 2023-02-15
- Assigning CNA
- OpenNMS
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- a074a8f4f057d1ab1dda3bdb8a7da5480147b293280c9db56f02d76e29ca7911
05 Affected products
PAIRS: 2VendorProductVersionsPlatforms
The OpenNMS GroupHorizon26.1.0 to < 31.0.4Windows, Linux, MacOS The OpenNMS GroupMeridian2020.1.0 to < 2020.1.32, 2021.1.0 to < 2021.1.24, 2022.1.0 to < 2022.1.13Windows, MacOS, Linux SRC: CNA
https://github.com/OpenNMS/opennms/pull/5506/files Upgrade to a newer version of Meridian or Horizon. Or change the details.jsp file as follows:
Change:
Reduction Key
<% if (alarm.getReductionKey() != null) {%>
<%=alarm.getReductionKey()%>
<% } else {%>
<% }%>
To:
Reduction Key
<% if (alarm.getReductionKey() != null) {%>
<%=WebSecurityUtils.sanitizeString(alarm.getReductionKey())%>
<% } else {%>
<% }%>
https://github.com/OpenNMS/opennms/pull/5506/files
https://github.com/OpenNMS/opennms/pull/5506/files