How severe is CVE-2019-7840?

CVE-2019-7840 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-2019-7840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7840?

CVE-2019-7840 primarily affects Adobe Coldfusion. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-7840?

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-2019-7840 published?

CVE-2019-7840 was published on 2019-06-12 and last updated on 2026-06-17.

CVE-2019-7840

CVE-2019-7840 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Adobe Coldfusion
Published: 2019-06-12
Last modified: 2026-06-17

Description

ColdFusion versions Update 3 and earlier, Update 10 and earlier, and Update 18 and earlier have a deserialization of untrusted data vulnerability. Successful exploitation could lead to arbitrary code execution.

Frequently asked questions

What is CVE-2019-7840?: ColdFusion versions Update 3 and earlier, Update 10 and earlier, and Update 18 and earlier have a deserialization of untrusted data vulnerability. Successful exploitation could lead to arbitrary code execution.
How severe is CVE-2019-7840?: CVE-2019-7840 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-2019-7840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7840?: CVE-2019-7840 primarily affects Adobe Coldfusion. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-7840?: 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-2019-7840 published?: CVE-2019-7840 was published on 2019-06-12 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/coldfusion/apsb19-27.html

Affected products (34)

cpe:2.3:a:adobe:coldfusion:11.0:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update12:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update13:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update14:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update15:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update16:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update17:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update18:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:11.0:update9:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update3:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update4:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update5:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update7:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update8:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update9:*:*:*:*:*:*
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:*:*:*:*:*:*

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