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CVE-2025-34271

Nagios Log Server < 2024R2.0.2 Cluster Manager Credential Requests Sent Over Plaintext

Published: Oct 30, 2025Updated: Nov 6, 2025 Sources: CVE List NVD BDUCWE-319
9.8CRITICAL
NVD MITRE
EPSS Score
0.7%
Top 50.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when requesting sensitive credentials from peer nodes over an unencrypted channel even when SSL/TLS is enabled in the product configuration. As a result, an attacker positioned on the network path can intercept credentials in transit. Captured credentials could allow the attacker to authenticate as a cluster node or service account, enabling further unauthorized access, lateral movement, or system compromise.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-319

Affected Products

Nagios Enterprises LLC
commercial·USaka nagios log server, nagios fusion, nagios xi
Nagios Log ServerOn-premWeb App
Enterprise Software / itsm-monitoring
Nagios
commercial·USaka nagios xi
Log ServerOn-prem
Enterprise Software / itsm-monitoring
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Credential Access
View detailed technique mapping

References

https://www.nagios.com/changelog/#log-server
nagios.com
https://www.nagios.com/products/security/#log-server-2024R2
nagios.com
https://www.vulncheck.com/advisories/nagios-log-server-cluster-manager-credential-requests-sent-over-plaintext
vulncheck.com

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