What is CVE-2020-17477?

CVE-2020-17477 is a medium-severity vulnerability in Univention Ucs\@school, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-10-26.

How severe is CVE-2020-17477?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Univention Ucs\@school

CVE-2020-17477

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.

EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Univention Ucs\@school
N/a — versions n/a

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

cve@mitre.org (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-17477?: CVE-2020-17477 is a medium-severity vulnerability in Univention Ucs\@school, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2023-10-26.
How severe is CVE-2020-17477?: Medium severity. CVSS v3 base score is 6.5 out of 10.