What is CVE-2023-27257?

CVE-2023-27257 is a high-severity vulnerability in Idattend Idweb, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-10-25.

How severe is CVE-2023-27257?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Idattend Idweb

CVE-2023-27257

Missing authentication in the GetActiveToiletPasses method in IDAttend’s IDWeb application 3.1.052 and earlier allows retrieval of student information by unauthenticated attackers.

Vulnerability class: Broken Authentication

Published 2023-10-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Idattend Idweb
Idattend Pty Ltd Idweb — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.themissinglink.com.au/security-advisories/cve-2023-27257 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-27257?: CVE-2023-27257 is a high-severity vulnerability in Idattend Idweb, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-10-25.
How severe is CVE-2023-27257?: High severity. CVSS v3 base score is 7.5 out of 10.