CVE-2023-3761Network attack vector

Credential disclosure via cleartext password changes

Published Jul 19, 2023 · Updated Aug 2, 2024

Cleartext transmission in the password-change handler in InterGard do Brasil SGS 8.7.0 allows remote attackers to intercept credentials. The handler sends password-change data over an unencrypted network channel, but the public record does not identify the protocol, endpoint, or request fields involved. No authentication is required; successful network interception discloses password-change secrets without reported integrity or availability effects.

CVSS severity3.7
Low
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext transmission in the password-change handler in InterGard do Brasil SGS 8.7.0 allows remote attackers to intercept credentials. The handler sends password-change data over an unencrypted network channel, but the public record does not identify the protocol, endpoint, or request fields involved. No authentication is required; successful network interception discloses password-change secrets without reported integrity or availability effects.

The record

CVE
CVE-2023-3761
Published
Jul 19, 2023
Updated
Aug 2, 2024
Vendor
InterGard do Brasil
Product
SGS
Classifications
CWE-319, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 19, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=8.7.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

InterGard do Brasil · SGSversion=8.7.0

Published CVSS scores

2.6VulDB CNAAV:N/AC:H/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
3.7VulDB CNACVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.7VulDB CNACVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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 exploitUnconfirmed

Weakness, pattern, technique

CWE-319Cleartext Transmission of Sensitive Information
T1557Adversary-in-the-Middle

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

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Your stack

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