CVE-2020-17477 Information disclosure in n/a
Remote users can read LDAP password hashes due to incorrect ACLs, potentially leading to privilege escalation via NTLM hash reuse.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17477?
CVE-2020-17477 is a medium-severity vulnerability in n/a, published on 26 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-522
Which versions are affected by CVE-2020-17477?
It affects 1 product.
Products include Univention Ucs\@school.
How do I fix CVE-2020-17477?
No fix has been published for CVE-2020-17477 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-17477 being exploited?
There is no known exploitation of CVE-2020-17477 in the wild and no public exploit code.
Sources
Also known as GHSA-39vr-m637-4v3h.