CVE-2023-27258Network attack vector

Student and teacher data disclosure via unauthenticated method

Published Oct 25, 2023 · Updated Sep 25, 2024

Missing authentication in IDAttend IDWeb 3.1.052 and earlier allows remote attackers to retrieve student and teacher data. The GetStudentGroupStudents method returns sensitive records without verifying that the requester has authenticated. Network access to the school intranet service is sufficient; the published impact is disclosure only, without data modification or service interruption.

CVSS severity7.5
High
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in IDAttend IDWeb 3.1.052 and earlier allows remote attackers to retrieve student and teacher data. The GetStudentGroupStudents method returns sensitive records without verifying that the requester has authenticated. Network access to the school intranet service is sufficient; the published impact is disclosure only, without data modification or service interruption.

The record

CVE
CVE-2023-27258
Published
Oct 25, 2023
Updated
Sep 25, 2024
Vendor
IDAttend Pty Ltd
Product
IDWeb
Classifications
CWE-306, CAPEC-115, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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=0 <=3.1.052

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IDAttend Pty Ltd · IDWebversion=0 <=3.1.052

Published CVSS scores

7.5NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5The Missing Link AustraliaCVSS: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

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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