CVE-2023-27255Network attack vector

Unauthenticated database read and write via SQL injection

Published Oct 25, 2023 · Updated Sep 11, 2024

SQL injection in IDAttend IDWeb 3.1.052 and earlier allows remote attackers to read or modify all application data. The DeleteRoomChanges method incorporates unneutralized request input into an SQL command, changing the command’s intended structure. The method is reachable without authentication over the school intranet, and successful injection exposes all application data to reading or modification.

CVSS severity9.8
Critical
EPSS probability0.76%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in IDAttend IDWeb 3.1.052 and earlier allows remote attackers to read or modify all application data. The DeleteRoomChanges method incorporates unneutralized request input into an SQL command, changing the command’s intended structure. The method is reachable without authentication over the school intranet, and successful injection exposes all application data to reading or modification.

The record

CVE
CVE-2023-27255
Published
Oct 25, 2023
Updated
Sep 11, 2024
Vendor
IDAttend Pty Ltd
Product
IDWeb
Classifications
CWE-89, CAPEC-66
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 25, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 11, 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=9 <=3.1.052

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IDAttend Pty Ltd · IDWebversion=9 <=3.1.052

Published CVSS scores

9.8The Missing Link CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CAPEC-66SQL Injection

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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