Critical severity · published May 8, 2020
CVE-2020-12022
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Webaccess · Advantech
through 8.4.4; 9.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12022
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12022
Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-128-01
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-598/
More from Webaccess
9.8
CVE-2021-38389
Advantech WebAccess versions 9.02 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute code
9.8
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
9.8
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…
9.8
CVE-2020-12019
WebAccess Node Version 8.4.4 and prior is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code
9.8
CVE-2020-12006
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0