How severe is CVE-2019-5530?

CVE-2019-5530 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-5530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5530?

CVE-2019-5530 affects Bitrock Installbuilder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5530?

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-2019-5530 published?

CVE-2019-5530 was published on 2019-08-29 and last updated on 2026-06-17.

CVE-2019-5530

CVE-2019-5530 is a high-severity vulnerability in Bitrock Installbuilder with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bitrock Installbuilder
Published: 2019-08-29
Last modified: 2026-06-17

Description

Windows binaries generated with InstallBuilder versions earlier than 19.7.0 are vulnerable to tampering even if they contain a valid Authenticode signature.

Frequently asked questions

What is CVE-2019-5530?: Windows binaries generated with InstallBuilder versions earlier than 19.7.0 are vulnerable to tampering even if they contain a valid Authenticode signature.
How severe is CVE-2019-5530?: CVE-2019-5530 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-5530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5530?: CVE-2019-5530 affects Bitrock Installbuilder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5530?: 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-2019-5530 published?: CVE-2019-5530 was published on 2019-08-29 and last updated on 2026-06-17.

References

https://blog.bitrock.com/2019/08/installer-tampering-while-preserving.html

Affected products (1)

cpe:2.3:a:bitrock:installbuilder:*:*:*:*:*:*:*:*