Stack-Based Buffer Overflow in Advantech WebAccess Product
CVE-2021-38408

9.8CRITICAL

Key Information:

Vendor
Advantech
Status
Advantech Webaccess
Vendor
CVE Published:
9 September 2021

Summary

A stack-based buffer overflow vulnerability exists in Advantech WebAccess Versions 9.02 and earlier, triggered by insufficient validation of user-input length. If exploited, this vulnerability may enable attackers to execute arbitrary code remotely, leading to potential unauthorized access and control of affected systems.

Affected Version(s)

Advantech WebAccess WebAccess: Versions 9.02 and prior

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-245-03
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.