Nagios Log Server up to 2024R2.0.1 cleartext transmission

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Nagios Log Server up to 2024R2.0.1 and classified as problematic. The impacted element is an unknown function. Performing a manipulation results in cleartext transmission. This vulnerability is identified as CVE-2025-34271. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Nagios Log Server up to 2024R2.0.1. It has been classified as problematic. This affects an unknown part. The manipulation with an unknown input leads to a cleartext transmission vulnerability. CWE is classifying the issue as CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. This is going to have an impact on confidentiality. The summary by CVE is:

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.

It is possible to read the advisory at nagios.com. This vulnerability is uniquely identified as CVE-2025-34271 since 04/15/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 2024R2.0.2 eliminates this vulnerability. The upgrade is hosted for download at nagios.com.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cleartext transmission
CWE: CWE-319 / CWE-310
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Log Server 2024R2.0.2

Timelineinfo

04/15/2025 CVE reserved
10/31/2025 +199 days Advisory disclosed
10/31/2025 +0 days VulDB entry created
11/08/2025 +8 days VulDB entry last update

Sourcesinfo

Advisory: nagios.com
Status: Confirmed

CVE: CVE-2025-34271 (🔒)
GCVE (CVE): GCVE-0-2025-34271
GCVE (VulDB): GCVE-100-330711

Entryinfo

Created: 10/31/2025 07:58
Updated: 11/08/2025 05:14
Changes: 10/31/2025 07:58 (68), 11/08/2025 05:14 (11)
Complete: 🔍
Cache ID: 216::103

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