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TenableCVELIST:CVE-2023-2758

HistoryMay 31, 2023 - 2:09 p.m.

CVE-2023-2758 Contec CONPROSYS HMI System (CHS) v3.5.2 Denial of Service

2023-05-3114:09:49

CWE-799

tenable

www.cve.org

cve-2023-2758

contec conprosys

hmi system

denial of service

time-zone mismatch

configuration files

remote attacker

unauthenticated

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

5.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.0%

JSON

A denial of service vulnerability exists in Contec CONPROSYS HMI System versions 3.5.2 and prior. When there is a time-zone mismatch in certain configuration files, a remote, unauthenticated attacker may deny logins for an extended period of time.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "CONPROSYS HMI System",
    "vendor": "Contec",
    "versions": [
      {
        "lessThanOrEqual": "3.5.2",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

jvn.jp/en/vu/JVNVU93372935/index.html

www.tenable.com/security/research/tra-2023-21

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

5.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

59.0%

JSON

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