CVE-2025-10947Public exploitNetwork attack vector

Unauthenticated customer data disclosure via CPF manipulation

Published Sep 25, 2025 · Updated Sep 25, 2025

IDOR in the CPF Handler of Pleno Sistemas Pleno Locação through 2025.7 allows remote attackers to read customer data without authentication. The /api/areacliente/pessoa/validarCpf endpoint accepts the user-controlled pes_cpf value and returns the referenced person's data without checking ownership or authorization. The endpoint is remotely reachable without credentials, and changing the CPF value exposes personal data belonging to other customers.

CVSS severity5.3
Medium
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

IDOR in the CPF Handler of Pleno Sistemas Pleno Locação through 2025.7 allows remote attackers to read customer data without authentication. The /api/areacliente/pessoa/validarCpf endpoint accepts the user-controlled pes_cpf value and returns the referenced person's data without checking ownership or authorization. The endpoint is remotely reachable without credentials, and changing the CPF value exposes personal data belonging to other customers.

The record

CVE
CVE-2025-10947
Published
Sep 25, 2025
Updated
Sep 25, 2025
Vendor
Pleno Sistemas
Product
Pleno Locação
Classifications
CWE-285, CWE-639, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2025Record 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=2025.0
  2. Affected versionversion=2025.1
  3. Affected versionversion=2025.2
  4. Affected versionversion=2025.3
  5. Affected versionversion=2025.4
  6. Affected versionversion=2025.5
  7. Affected versionversion=2025.6
  8. Affected versionversion=2025.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Pleno Sistemas · Pleno Locaçãoversion=2025.0; version=2025.1; version=2025.2; version=2025.3; version=2025.4; version=2025.5; version=2025.6; version=2025.7

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:P/I:N/A:N
5.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P

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-285Improper Authorization
CWE-639Authorization Bypass Through User-Controlled Key
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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