CVE-2020-23284Public exploitNetwork attack vector

Unauthenticated information disclosure via exposed ASPX pages

Published Jul 20, 2021 · Updated Aug 4, 2024

Broken access control in MV IDCE 1.0 allows remote attackers to read sensitive patient and user data through exposed ASPX pages. The Medicos.aspx and SegUsuario.aspx endpoints query the database and return records without enforcing authentication or authorization. Network access to the IDCE web application is sufficient to disclose names, usernames, birth dates, CRM numbers, and CPF numbers.

CVSS severity7.5
High
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Broken access control in MV IDCE 1.0 allows remote attackers to read sensitive patient and user data through exposed ASPX pages. The Medicos.aspx and SegUsuario.aspx endpoints query the database and return records without enforcing authentication or authorization. Network access to the IDCE web application is sufficient to disclose names, usernames, birth dates, CRM numbers, and CPF numbers.

The record

CVE
CVE-2020-23284
Published
Jul 20, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-532, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File
T1190Exploit Public-Facing Application

Public exploit references

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

Technologies

Your stack

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Your stack

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