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nvd[email protected]NVD:CVE-2020-17477
HistoryOct 26, 2023 - 1:15 p.m.

CVE-2020-17477

2023-10-2613:15:09
CWE-522
web.nvd.nist.gov
2
ucs@school
ldap
acls
vulnerability
unauthorized access
password hashes

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

21.4%

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.

Affected configurations

Nvd
Node
univentionucs\@schoolRange4.4
VendorProductVersionCPE
univentionucs\@school*cpe:2.3:a:univention:ucs\@school:*:*:*:*:*:*:*:*

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.6

Confidence

High

EPSS

0.001

Percentile

21.4%

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