Vulnerability · Published Jan 20, 2023 · Assigned by jpcert
CVE-2023-22339
High 7.5
In plain English
A high-severity improper access control in CONPROSYS HMI System (CHS) from Contec Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 31.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control vulnerability in CONPROSYS HMI System (CHS) Ver.3.4.5 and earlier allows a remote unauthenticated attacker to bypass access restriction and obtain the server certificate including the private key of the product.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Contec Co., Ltd. | CONPROSYS HMI System (CHS) | Ver.3.4.5 and earlier |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90b
- https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdf
- https://jvn.jp/en/vu/JVNVU96873821
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03