CVE-2025-42605Network attack vector

Cross-account data manipulation via unchecked API parameters

Published Apr 23, 2025 · Updated Apr 23, 2025

Authorization bypass in Meon Technologies Bidding Solutions 1.2 allows remote authenticated users to alter other users' bid data. Initiation, modification, and cancellation API endpoints accept a user-controlled request-body parameter without enforcing authorization for the targeted user account. Valid application credentials are required, and successful requests can initiate, modify, or cancel IPO operations associated with another account.

CVSS severity9.3
Critical
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authorization bypass in Meon Technologies Bidding Solutions 1.2 allows remote authenticated users to alter other users' bid data. Initiation, modification, and cancellation API endpoints accept a user-controlled request-body parameter without enforcing authorization for the targeted user account. Valid application credentials are required, and successful requests can initiate, modify, or cancel IPO operations associated with another account.

The record

CVE
CVE-2025-42605
Published
Apr 23, 2025
Updated
Apr 23, 2025
Vendor
Meon Technologies
Product
Bidding Solutions
Classifications
CWE-639, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Meon Technologies · Bidding Solutionsversion=1.2

Published CVSS scores

9.3Indian Computer Emergency Response Team (CERT-In)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo