CVE-2021-26642

When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:xpressengine:xpressengine:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-01-20 17:15

Updated : 2024-02-28 19:51

NVD link : CVE-2021-26642

Mitre link : CVE-2021-26642

CVE.ORG link : CVE-2021-26642

JSON object : View

Products Affected

xpressengine

xpressengine

microsoft

windows

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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