How severe is CVE-2019-12812?

CVE-2019-12812 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-2019-12812 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12812?

CVE-2019-12812 affects Activesoft Mybuilder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12812?

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-2019-12812 published?

CVE-2019-12812 was published on 2019-10-07 and last updated on 2026-06-17.

CVE-2019-12812

CVE-2019-12812 is a critical-severity vulnerability in Activesoft Mybuilder 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Activesoft Mybuilder
Published: 2019-10-07
Last modified: 2026-06-17

Description

MyBuilder viewer before 6.2.2019.814 allow an attacker to execute arbitrary command via specifically crafted configuration file. This can be leveraged for code execution.

Frequently asked questions

What is CVE-2019-12812?: MyBuilder viewer before 6.2.2019.814 allow an attacker to execute arbitrary command via specifically crafted configuration file. This can be leveraged for code execution.
How severe is CVE-2019-12812?: CVE-2019-12812 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-2019-12812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12812?: CVE-2019-12812 affects Activesoft Mybuilder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12812?: 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-2019-12812 published?: CVE-2019-12812 was published on 2019-10-07 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35155

Affected products (1)

cpe:2.3:a:activesoft:mybuilder:*:*:*:*:*:*:*:*

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