How severe is CVE-2018-4940?

CVE-2018-4940 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-4940 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4940?

CVE-2018-4940 primarily affects Adobe Coldfusion. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-4940?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-4940 published?

CVE-2018-4940 was published on 2018-05-19 and last updated on 2026-06-17.

CVE-2018-4940

CVE-2018-4940 is a medium-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adobe Coldfusion
Published: 2018-05-19
Last modified: 2026-06-17

Description

Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Cross-Site Scripting vulnerability. Successful exploitation could lead to information disclosure.

Frequently asked questions

What is CVE-2018-4940?: Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Cross-Site Scripting vulnerability. Successful exploitation could lead to information disclosure.
How severe is CVE-2018-4940?: CVE-2018-4940 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-4940 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4940?: CVE-2018-4940 primarily affects Adobe Coldfusion. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-4940?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-4940 published?: CVE-2018-4940 was published on 2018-05-19 and last updated on 2026-06-17.

References

Affected products (20)

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: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: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:*:*:*:*:*:*

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