CVE-2021-38408

A stack-based buffer overflow vulnerability in Advantech WebAccess Versions 9.02 and prior caused by a lack of proper validation of the length of user-supplied data may allow remote code execution.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

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

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*

History

20 Sep 2021, 12:44

Type	Values Removed	Values Added
CPE		cpe:2.3:a:advantech:webaccess::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03 -~~	(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03 - Third Party Advisory, US Government Resource

09 Sep 2021, 12:51

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-09 12:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-38408

Mitre link : CVE-2021-38408

CVE.ORG link : CVE-2021-38408

JSON object : View

Products Affected

advantech

webaccess

CWE

CWE-121

Stack-based Buffer Overflow

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