How severe is CVE-2016-4502?

CVE-2016-4502 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-4502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4502?

CVE-2016-4502 affects Envirosys Esc 8832 Data Controller. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4502?

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-2016-4502 published?

CVE-2016-4502 was published on 2016-05-31 and last updated on 2026-06-17.

CVE-2016-4502

CVE-2016-4502 is a high-severity vulnerability in Envirosys Esc 8832 Data Controller with a CVSS 3.x base score of 7.5. 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Envirosys Esc 8832 Data Controller
Published: 2016-05-31
Last modified: 2026-06-17

Description

Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier allows remote attackers to bypass intended access restrictions and execute arbitrary functions via a modified parameter.

Frequently asked questions

What is CVE-2016-4502?: Environmental Systems Corporation (ESC) 8832 Data Controller 3.02 and earlier allows remote attackers to bypass intended access restrictions and execute arbitrary functions via a modified parameter.
How severe is CVE-2016-4502?: CVE-2016-4502 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-4502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4502?: CVE-2016-4502 affects Envirosys Esc 8832 Data Controller. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4502?: 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-2016-4502 published?: CVE-2016-4502 was published on 2016-05-31 and last updated on 2026-06-17.

References

https://ics-cert.us-cert.gov/advisories/ICSA-16-147-01

Affected products (1)

cpe:2.3:a:envirosys:esc_8832_data_controller:*:*:*:*:*:*:*:*

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