Exploited vulnerability · CISA KEV
Is CVE-2018-15961 exploited? Yes: in CISA KEV since 3 Nov 2021
Gociux · Adobe ColdFusion · data: CISA KEV, CVE record, FIRST EPSS
Yes. CVE-2018-15961, Adobe ColdFusion Unrestricted File Upload Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 1135 days after it was published. It affects Adobe ColdFusion. If you run it, CISA's required action is: Apply updates per vendor instructions.
exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due3 May 2022BOD 22-01 deadline
What it is
Adobe ColdFusion contains an unrestricted file upload vulnerability that could allow for code execution.
| Vendor | Adobe (83 exploited CVEs in KEV) |
| Product | ColdFusion |
| Vulnerability | Adobe ColdFusion Unrestricted File Upload Vulnerability |
| Weakness | CWE-434 |
| Published | 25 Sep 2018 |
| Added to KEV | 3 Nov 2021 |
| Reported by (CNA) | adobe |
What to do
- Check whether you run it. Look for ColdFusion in your asset inventory, including appliances and cloud images. Stack check lists every exploited Adobe CVE at once.
- Apply the fix. Apply updates per vendor instructions.
- If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 25 Sep 2018.
- Get told next time. Email alerts when CISA adds a CVE for Adobe.
Other exploited CVEs in ColdFusion
- CVE-2026-48282: Adobe ColdFusion Path Traversal Vulnerability (7 Jul 2026)
- CVE-2017-3066: Adobe ColdFusion Deserialization Vulnerability (24 Feb 2025)
- CVE-2024-20767: Adobe ColdFusion Improper Access Control Vulnerability (16 Dec 2024)
- CVE-2023-29300: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability (8 Jan 2024)
- CVE-2023-38203: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability (8 Jan 2024)
- CVE-2023-26359: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability (21 Aug 2023)
References
Questions
Is CVE-2018-15961 being exploited?
Yes. CISA added CVE-2018-15961 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.
Is CVE-2018-15961 used in ransomware attacks?
CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.
How do I fix CVE-2018-15961?
Apply updates per vendor instructions. Check Adobe's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected ColdFusion and watch it for signs of compromise.
Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · Adobe scorecard · act-now radar.
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