How severe is CVE-2023-28824?

CVE-2023-28824 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-28824 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28824?

CVE-2023-28824 affects Contec Conprosys Hmi System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28824?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-28824 published?

CVE-2023-28824 was published on 2023-06-01 and last updated on 2026-06-17.

CVE-2023-28824

CVE-2023-28824 is a medium-severity vulnerability in Contec Conprosys Hmi System with a CVSS 3.x base score of 4.9. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Contec Conprosys Hmi System
Published: 2023-06-01
Last modified: 2026-06-17

Description

Server-side request forgery vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user who can access the affected product with an administrative privilege may bypass the database restriction set on the query setting page, and connect to a user unintended database.

Frequently asked questions

What is CVE-2023-28824?: Server-side request forgery vulnerability exists in CONPROSYS HMI System (CHS) versions prior to 3.5.3. A user who can access the affected product with an administrative privilege may bypass the database restriction set on the query setting page, and connect to a user unintended database.
How severe is CVE-2023-28824?: CVE-2023-28824 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-28824 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28824?: CVE-2023-28824 affects Contec Conprosys Hmi System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28824?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28824 published?: CVE-2023-28824 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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