CVE-2024-20767: Adobe ColdFusion Improper Access Control Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 273 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 98.5%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 7.4 High
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected
- 2021.12 and earlier
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: .
Advisories and patches
Linked from CISA's catalog entry
- https://helpx.adobe.com/security/products/coldfusion/apsb24-14.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-20767
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 2021.12 and earlier |
Versions not listed are: affected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
Adobe ColdFusion contains an improper access control vulnerability that could allow an attacker to access or modify restricted files via an internet-exposed admin panel.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2024-20767 to its Known Exploited Vulnerabilities (KEV) catalog on 16 Dec 2024.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 6 Jan 2025.
- The CVE record was published on 18 Mar 2024, 273 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 7.4 (High), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 98.5% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact partial.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
ColdFusion | Improper Access Control (CWE-284)
ColdFusion versions 2023.6, 2021.12 and earlier are affected by an Improper Access Control vulnerability that could result in arbitrary file system read. An attacker could leverage this vulnerability to access or modify restricted files. Exploitation of this issue does not require user interaction. Exploitation of this issue requires the admin panel be exposed to the internet.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CISA due date for the required action | |
| CVE record last updated |
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