How severe is CVE-2023-28713?

CVE-2023-28713 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-28713 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28713?

CVE-2023-28713 affects Contec Conprosys Hmi System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28713?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-28713 published?

CVE-2023-28713 was published on 2023-06-01 and last updated on 2026-06-17.

CVE-2023-28713

CVE-2023-28713 is a high-severity vulnerability in Contec Conprosys Hmi System with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Contec Conprosys Hmi System
Published: 2023-06-01
Last modified: 2026-06-17

Description

Plaintext storage of a password exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. Because account information of the database is saved in a local file in plaintext, a user who can access the PC where the affected product is installed can obtain the information. As a result, information in the database may be obtained and/or altered by the user.

Frequently asked questions

What is CVE-2023-28713?: Plaintext storage of a password exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. Because account information of the database is saved in a local file in plaintext, a user who can access the PC where the affected product is installed can obtain the information. As a result, information in the database may be obtained and/or altered by the user.
How severe is CVE-2023-28713?: CVE-2023-28713 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-28713 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28713?: CVE-2023-28713 affects Contec Conprosys Hmi System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28713?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-28713 published?: CVE-2023-28713 was published on 2023-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*

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