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CVE-2021-20281

Good to know:

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Date: March 15, 2021

It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

Language: PHP

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2021-20281
https://moodle.org/mod/forum/discuss.php?d=419652
https://bugzilla.redhat.com/show_bug.cgi?id=1939041
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-20281
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/
https://www.mend.io/vulnerability-database/CVE-2021-20281

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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