Lucene search

K
osvGoogleOSV:BIT-CANVASLMS-2021-36539
HistoryJan 31, 2024 - 3:12 p.m.

BIT-canvaslms-2021-36539

2024-01-3115:12:08
Google
osv.dev
15
instructure canvas lms
denial of access
locked files
unpublished files
unprivileged user
docviewer
software vulnerability

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

7

Confidence

Low

EPSS

0.001

Percentile

37.0%

Instructure Canvas LMS didn’t properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

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

7

Confidence

Low

EPSS

0.001

Percentile

37.0%

Related for OSV:BIT-CANVASLMS-2021-36539