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[email protected]CVE-2021-36539

HistoryJan 26, 2023 - 9:15 p.m.

CVE-2021-36539

2023-01-2621:15:23

CWE-639

[email protected]

web.nvd.nist.gov

cve-2021-36539

instructure canvas

lms

denial of access

vulnerability

nvd

6.5 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

32.7%

JSON

Instructure Canvas LMS didn’t properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url).

Affected configurations

NVD

Node

instructurecanvas_learning_management_serviceRange<2022-10-15

CPENameOperatorVersion
instructure:canvas_learning_management_serviceinstructure canvas learning management servicelt2022-10-15

CPE	Name	Operator	Version
instructure:canvas_learning_management_service	instructure canvas learning management service	lt	2022-10-15

References

github.com/gaukas/instructure-canvas-file-oracle

github.com/instructure/canvas-lms/issues/1905

6.5 Medium

CVSS3

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

0.001 Low

EPSS

Percentile

32.7%

JSON

Related for CVE-2021-36539

osv1 prion1 cvelist1 nvd1