High severity · published Jan 20, 2023
CVE-2023-22331
Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information
7.5
CVSS
1%
EPSS
No
On KEV
Description
Use of default credentials vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to alter user credentials information.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
Conprosys Hmi System · Contec
through 3.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22331
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22331
Patch
https://jvn.jp/en/vu/JVNVU96873821
Third Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03
Patch
https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf
Patch
https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b
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