How severe is CVE-2020-7233?

CVE-2020-7233 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7233?

CVE-2020-7233 affects Kmccontrols Bac-a1616bc Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7233?

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

When was CVE-2020-7233 published?

CVE-2020-7233 was published on 2020-01-19 and last updated on 2026-06-17.

CVE-2020-7233

CVE-2020-7233 is a critical-severity vulnerability in Kmccontrols Bac-a1616bc Firmware with a CVSS 3.x base score of 9.8. 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Kmccontrols Bac-a1616bc Firmware
Published: 2020-01-19
Last modified: 2026-06-17

Description

KMS Controls BAC-A1616BC BACnet devices have a cleartext password of snowman in the BACKDOOR_NAME variable in the BC_Logon.swf file.

Frequently asked questions

What is CVE-2020-7233?: KMS Controls BAC-A1616BC BACnet devices have a cleartext password of snowman in the BACKDOOR_NAME variable in the BC_Logon.swf file.
How severe is CVE-2020-7233?: CVE-2020-7233 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7233?: CVE-2020-7233 affects Kmccontrols Bac-a1616bc Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-7233 published?: CVE-2020-7233 was published on 2020-01-19 and last updated on 2026-06-17.

References

https://sku11army.blogspot.com/2020/01/kms-controls-backdoor-in-bacnet.html

Affected products (1)

cpe:2.3:o:kmccontrols:bac-a1616bc_firmware:-:*:*:*:*:*:*:*

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