CVE-2023-4101Network attack vector

Authenticated resource access via missing SSO authorization

Published Oct 3, 2023 · Updated Sep 23, 2024

Authorization bypass in Q·sige 3.0.0.0 allows remote authenticated users to access SSO resources without sufficient permissions. The login SSO accepts a user-controlled resource key without checking whether the requesting account is authorized for that object. A valid login is required; the accessible resource types and resulting data or action exposure are not publicly specified.

CVSS severity8.8
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Q·sige 3.0.0.0 allows remote authenticated users to access SSO resources without sufficient permissions. The login SSO accepts a user-controlled resource key without checking whether the requesting account is authorized for that object. A valid login is required; the accessible resource types and resulting data or action exposure are not publicly specified.

The record

CVE
CVE-2023-4101
Published
Oct 3, 2023
Updated
Sep 23, 2024
Vendor
IDM Sistemas de Comunicación
Product
Q·sige
Classifications
CWE-639
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 3, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=3.0.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

IDM Sistemas de Comunicación · Q·sigeversion=3.0.0.0

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
8.8INCIBECVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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