VulnerabilityModified
CVE-2023-22339
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.
HIGH 7.5EPSS 1.14%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.14% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- contec/conprosys hmi system
- Source
- vultures@jpcert.or.jp
References
- https://jvn.jp/en/vu/JVNVU96873821Patch, Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03Third Party Advisory, US Government Resource
- https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdfPatch, Vendor Advisory
- https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90bPatch, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU96873821Patch, Third Party Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-347-03Third Party Advisory, US Government Resource
- https://www.contec.com/api/downloadlogger?download=/-/media/Contec/jp/support/security-info/contec_security_chs_230110_en.pdfPatch, Vendor Advisory
- https://www.contec.com/download/contract/contract4/?itemid=ea8039aa-3434-4999-9ab6-897aa690210c&downloaditemid=866d7d3c-aae9-438d-87f3-17aa040df90bPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.