CVE-2020-17477

MEDIUM

UCS@school <4.4v5-errata - Info Disclosure

Title source: llm

Description

Incorrect LDAP ACLs in ucs-school-ldap-acls-master in UCS@school before 4.4v5-errata allow remote teachers, staff, and school administrators to read LDAP password hashes (sambaNTPassword, krb5Key, sambaPasswordHistory, and pwhistory) via LDAP search requests. For example, a teacher can gain administrator access via an NTLM hash.

References (1)

[Issue Tracking, Third Party Advisory] https://forge.univention.org/bugzilla/show_bug.cgi?id=50669

Scores

CVSS v3 6.5

EPSS 0.0006

EPSS Percentile 18.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-522

Status published

Affected Products (1)

univention/ucs\@school < 4.4

Timeline

Published Oct 26, 2023

Tracked Since Feb 18, 2026