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HIGH · CVSS 7.4 CISA Known Exploited Vulnerability

CVE-2024-20767

Adobe ColdFusion Improper Access Control Vulnerability

Adobe ColdFusion

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.

CVSS
7.4
HIGH
EPSS
98.5%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
18 Mar 2024
CWE-284

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 16 December 2024. US federal agencies were required to remediate it by 6 January 2025.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 98.5%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Frequently asked questions

Is CVE-2024-20767 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2024-20767.

What does CVE-2024-20767 affect?

CVE-2024-20767 affects Adobe ColdFusion. 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.

How severe is CVE-2024-20767?

CVE-2024-20767 is rated HIGH with a CVSS base score of 7.4. EPSS puts the probability of exploitation in the next 30 days at 98.5%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 6 January 2025.

How should organisations respond to CVE-2024-20767?

Apply the vendor patch for Adobe ColdFusion as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.