Tibbo AggreGate Network Manager up to 6.40.04 Login response discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Tibbo AggreGate Network Manager up to 6.40.04. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Login. Executing a manipulation can lead to response discrepancy. This vulnerability is tracked as CVE-2025-34155. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Tibbo AggreGate Network Manager up to 6.40.04 and classified as problematic. This vulnerability affects some unknown processing of the component Login. The manipulation with an unknown input leads to a response discrepancy vulnerability. The CWE definition for the vulnerability is CWE-204. The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. As an impact it is known to affect confidentiality. CVE summarizes:

Tibbo AggreGate Network Manager < 6.40.05 contains an observable response discrepancy in its login functionality. Authentication failure messages differ based on whether a supplied username exists or not, allowing an unauthenticated remote attacker to infer valid account identifiers. This can facilitate user enumeration and increase the likelihood of targeted brute-force or credential-stuffing attacks.

The weakness was disclosed by Alex Williams. The advisory is shared for download at aggregate.digital. This vulnerability was named CVE-2025-34155 since 04/15/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 6.40.05 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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: 3.7
VulDB Meta Temp Score: 3.6

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

CVSSv2info

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

Exploitinginfo

Class: Response discrepancy
CWE: CWE-204 / CWE-203 / CWE-200
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: AggreGate Network Manager 6.40.05

Timelineinfo

04/15/2025 CVE reserved
10/23/2025 +191 days VulDB entry created
10/24/2025 +0 days Advisory disclosed
10/24/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: aggregate.digital
Researcher: Alex Williams
Status: Confirmed

CVE: CVE-2025-34155 (🔒)
GCVE (CVE): GCVE-0-2025-34155
GCVE (VulDB): GCVE-100-329692

Entryinfo

Created: 10/24/2025 00:10
Changes: 10/24/2025 00:10 (68)
Complete: 🔍
Cache ID: 216::103

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