Mitel MiContact Center Business up to 10.2.0.3 Legacy Chat information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Mitel MiContact Center Business up to 10.2.0.3. This issue affects some unknown processing of the component Legacy Chat. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2025-27827. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Mitel MiContact Center Business up to 10.2.0.3. This vulnerability affects an unknown function of the component Legacy Chat. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.2.0.3 could allow an unauthenticated attacker to conduct an information disclosure attack due to improper handling of session data. A successful exploit requires user interaction and could allow an attacker to access sensitive information, leading to unauthorized access to active chat rooms, reading chat data, and sending messages during an active chat session.

The advisory is shared for download at mitel.com. This vulnerability was named CVE-2025-27827 since 03/07/2025. The exploitation appears to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19009). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/07/2025 🔍
06/24/2025 +108 days 🔍
06/24/2025 +0 days 🔍
06/24/2025 +0 days 🔍

Sourcesinfo

Advisory: mitel.com
Status: Confirmed

CVE: CVE-2025-27827 (🔍)
GCVE (CVE): GCVE-0-2025-27827
GCVE (VulDB): GCVE-100-313768
EUVD: 🔍

Entryinfo

Created: 06/24/2025 17:34
Updated: 06/24/2025 21:34
Changes: 06/24/2025 17:34 (53), 06/24/2025 21:34 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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