IBM DB2 Mirror for i 7.4/7.5/7.6 Websocket Connection missing origin validation in websockets

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in IBM DB2 Mirror for i 7.4/7.5/7.6. The impacted element is an unknown function of the component Websocket Connection Handler. The manipulation leads to missing origin validation in websockets. This vulnerability is listed as CVE-2025-36116. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IBM DB2 Mirror for i 7.4/7.5/7.6. This issue affects an unknown functionality of the component Websocket Connection Handler. The manipulation with an unknown input leads to a missing origin validation in websockets vulnerability. Using CWE to declare the problem leads to CWE-1385. The product uses a WebSocket, but it does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

IBM Db2 Mirror for i 7.4, 7.5, and 7.6 GUI is affected by cross-site WebSocket hijacking vulnerability. By sending a specially crafted request, an unauthenticated malicious actor could exploit this vulnerability to sniff an existing WebSocket connection to then remotely perform operations that the user is not allowed to perform.

It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2025-36116 since 04/15/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/18/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22447). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.3
CNA Vector (ibm): 🔒

CVSSv2info

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

Exploitinginfo

Class: Missing origin validation in websockets
CWE: CWE-1385 / CWE-346 / CWE-345
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: 🔒

Timelineinfo

04/15/2025 CVE reserved
07/23/2025 +99 days Advisory disclosed
07/23/2025 +0 days VulDB entry created
08/18/2025 +26 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2025-36116 (🔒)
GCVE (CVE): GCVE-0-2025-36116
GCVE (VulDB): GCVE-100-317423
EUVD: 🔒

Entryinfo

Created: 07/23/2025 18:09
Updated: 08/18/2025 10:00
Changes: 07/23/2025 18:09 (63), 08/18/2025 10:00 (1)
Complete: 🔍
Cache ID: 216::103

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