High severity · published Jun 7, 2023
CVE-2023-2866
Advantech WebAccess Insufficient Type Distinction
7.8
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
WebAccess/SCADA · Advantech
8.4.5 · source: vendor
WE
Webaccess · Advantech
8.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2866
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-23-150-01
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