Vulnerability Details : 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.
Products affected by CVE-2020-17477
- cpe:2.3:a:univention:ucs\@school:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-17477
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-17477
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-17477
-
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-17477
-
https://forge.univention.org/bugzilla/show_bug.cgi?id=50669
Bug 50669 – Restrict Access to LDAP Data for Non-Administrative UsersIssue Tracking;Third Party Advisory
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