CVE-2025-43559

CVE-2025-43559 is a critical-severity vulnerability in Adobe Coldfusion with a CVSS 3.x base score of 9.1. 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-20.

Key facts

Description

ColdFusion versions 2025.1, 2023.13, 2021.19 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. A high-privileged attacker could leverage this vulnerability to bypass security mechanisms and execute code. Exploitation of this issue does not require user interaction and scope is changed.

Frequently asked questions

What is CVE-2025-43559?
ColdFusion versions 2025.1, 2023.13, 2021.19 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. A high-privileged attacker could leverage this vulnerability to bypass security mechanisms and execute code. Exploitation of this issue does not require user interaction and scope is changed.
How severe is CVE-2025-43559?
CVE-2025-43559 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-43559 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43559?
CVE-2025-43559 primarily affects Adobe Coldfusion. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-43559?
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.
Does CVE-2025-43559 have an EU (EUVD) identifier?
Yes. CVE-2025-43559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14518.
When was CVE-2025-43559 published?
CVE-2025-43559 was published on 2025-05-13 and last updated on 2026-06-17.

References

Affected products (36)

More vulnerabilities in Adobe Coldfusion

All CVEs affecting Adobe Coldfusion →

Other CWE-20 (Improper Input Validation) vulnerabilities

Browse all CWE-20 (Improper Input Validation) vulnerabilities →