What’s Vulnerable › Vulnerabilities

CVE-2023-2866: Advantech WebAccess Insufficient Type Distinction

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-07 · updated 2026-06-17
• Weakness: CWE-351

Description

If an attacker can trick an authenticated user into loading a maliciously crafted .zip file onto Advantech WebAccess version 8.4.5, a web shell could be used to give the attacker full control of the SCADA server.

Affected products

• Advantech WebAccess: 8.4.5

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-150-01
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-150-01

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