CVE-2021-33023

Advantech WebAccess versions 9.02 and prior are vulnerable to a heap-based buffer overflow, which may allow an attacker to remotely execute code.

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-21-285-02	Mitigation Third Party Advisory US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-285-02	Mitigation Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

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

History

21 Nov 2024, 06:08

Type	Values Removed	Values Added
References	~~() https://us-cert.cisa.gov/ics/advisories/icsa-21-285-02 - Mitigation, Third Party Advisory, US Government Resource~~	() https://us-cert.cisa.gov/ics/advisories/icsa-21-285-02 - Mitigation, Third Party Advisory, US Government Resource

20 Oct 2021, 22:16

Type	Values Removed	Values Added
CWE	~~CWE-122~~	CWE-787
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-21-285-02 -~~	(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-285-02 - Mitigation, Third Party Advisory, US Government Resource

18 Oct 2021, 13:39

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-18 13:15

Updated : 2024-11-21 06:08

NVD link : CVE-2021-33023

Mitre link : CVE-2021-33023

CVE.ORG link : CVE-2021-33023

JSON object : View

Products Affected

advantech

webaccess

CWE

CWE-122

Heap-based Buffer Overflow

CWE-787

Out-of-bounds Write

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