How severe is CVE-2018-15961?

CVE-2018-15961 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-2018-15961 being actively exploited?

Yes. CVE-2018-15961 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-15961?

CVE-2018-15961 primarily affects Adobe Coldfusion. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-15961?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-15961 have an EU (EUVD) identifier?

Yes. CVE-2018-15961 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-7817. It is also flagged as exploited in the EUVD (since 2021-11-03).

When was CVE-2018-15961 published?

CVE-2018-15961 was published on 2018-09-25 and last updated on 2026-06-17.

CVE-2018-15961

CVE-2018-15961 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
EU (EUVD) id: EUVD-2018-7817
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
Weakness: CWE-434
Affected product: Adobe Coldfusion
Published: 2018-09-25
Last modified: 2026-06-17

Description

Adobe ColdFusion versions July 12 release (2018.0.0.310739), Update 6 and earlier, and Update 14 and earlier have an unrestricted file upload vulnerability. Successful exploitation could lead to arbitrary code execution.

Frequently asked questions

What is CVE-2018-15961?: Adobe ColdFusion versions July 12 release (2018.0.0.310739), Update 6 and earlier, and Update 14 and earlier have an unrestricted file upload vulnerability. Successful exploitation could lead to arbitrary code execution.
How severe is CVE-2018-15961?: CVE-2018-15961 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-2018-15961 being actively exploited?: Yes. CVE-2018-15961 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-15961?: CVE-2018-15961 primarily affects Adobe Coldfusion. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-15961?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-15961 have an EU (EUVD) identifier?: Yes. CVE-2018-15961 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-7817. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2018-15961 published?: CVE-2018-15961 was published on 2018-09-25 and last updated on 2026-06-17.

References

Affected products (23)

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: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:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2016:update6:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2018:-:*:*:*:*:*:*

More vulnerabilities in Adobe Coldfusion

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2025-54261 — Critical (CVSS 10.0): ColdFusion versions 2025.3, 2023.15, 2021.21 and earlier are affected by an Improper Limitation of a Pathname to a…

All CVEs affecting Adobe Coldfusion →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →