CVE-2020-7233

Name: CVE-2020-7233
Creator: NVD / NIST
Published: 2020-01-19T20:15:12.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2020-7233 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. KMS Controls BAC-A1616BC BACnet devices have a cleartext password of snowman in the BACKDOOR_NAME variable in the BC_Logon.swf file.. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.65%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-522

Affected Software

Vendor	Product	Versions
Kmccontrols	Bac-A1616bc Firmware	All versions

References

https://sku11army.blogspot.com/2020/01/kms-controls-backdoor-in-bacnet.htmlExploit, Third Party Advisory
https://sku11army.blogspot.com/2020/01/kms-controls-backdoor-in-bacnet.htmlExploit, Third Party Advisory

Timeline

Published: Jan 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

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 score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7233?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST