How severe is CVE-2019-8256?

CVE-2019-8256 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-2019-8256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8256?

CVE-2019-8256 primarily affects Adobe Coldfusion. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8256?

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-2019-8256 published?

CVE-2019-8256 was published on 2019-12-19 and last updated on 2026-06-17.

CVE-2019-8256

CVE-2019-8256 is a critical-severity vulnerability in Adobe Coldfusion 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-732.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Adobe Coldfusion
Published: 2019-12-19
Last modified: 2026-06-17

Description

ColdFusion versions Update 6 and earlier have an insecure inherited permissions of default installation directory vulnerability. Successful exploitation could lead to privilege escalation.

Frequently asked questions

What is CVE-2019-8256?: ColdFusion versions Update 6 and earlier have an insecure inherited permissions of default installation directory vulnerability. Successful exploitation could lead to privilege escalation.
How severe is CVE-2019-8256?: CVE-2019-8256 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-2019-8256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8256?: CVE-2019-8256 primarily affects Adobe Coldfusion. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8256?: 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-2019-8256 published?: CVE-2019-8256 was published on 2019-12-19 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/coldfusion/apsb19-58.html

Affected products (7)

cpe:2.3:a:adobe:coldfusion:2018:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:update6:*:*:*:*:*:*

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