CVE-2021-42839

Grand Vice info Co. webopac7 file upload function fails to filter special characters. While logging in with general user’s permission, remote attackers can upload malicious script and execute arbitrary code to control the system or interrupt services.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html	Third Party Advisory
https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:vice:webopac:1.8.20160701:::::::*
	cpe:2.3:a:vice:webopac:7.1.20160701:::::::*

History

21 Nov 2024, 06:28

Type	Values Removed	Values Added
References	~~() https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html - Third Party Advisory~~	() https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html - Third Party Advisory

16 Nov 2021, 17:24

Type	Values Removed	Values Added
References	~~(MISC) https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html -~~	(MISC) https://www.twcert.org.tw/tw/cp-132-5288-9d546-1.html - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~8.8~~	v2 : 9.0 v3 : 8.8
CPE		cpe:2.3:a:vice:webopac:7.1.20160701:::::::* cpe:2.3:a:vice:webopac:1.8.20160701:::::::*

15 Nov 2021, 10:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-11-15 10:15

Updated : 2024-11-21 06:28

NVD link : CVE-2021-42839

Mitre link : CVE-2021-42839

CVE.ORG link : CVE-2021-42839

JSON object : View

Products Affected

vice

webopac

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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