An issue in Eskooly Free Online School management Software v.3.0 and before allows a remote attacker to escalate privileges via the Sin-up…

published 2024-07-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-24905

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

An issue in Eskooly Free Online School management Software v.3.0 and before allows a remote attacker to escalate privileges via the Sin-up process function in the account settings.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-08-21)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

eskooly free_online_school_management_software

Classification

Weakness

CWE-269 Improper Privilege Management

References

blog.be-hacktive.com /eskooly-cve/eskooly-broken-authentication/cve-2024-27711-user-enumeration-via-sign-up-process-in-eskooly-web-
third-party-advisory

Sources

CVE List CVE-2024-27711
NVD CVE-2024-27711

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary