CVE-2023-26347
Published: 17 November 2023
Summary
CVE-2023-26347 is a high-severity Improper Access Control (CWE-284) vulnerability in Adobe Coldfusion. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 0.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Adobe ColdFusion versions 2023.5 and earlier along with 2021.11 and earlier contain an improper access control vulnerability that permits a security feature bypass, enabling unauthorized access to administration CFM and CFC endpoints. The flaw is identified as CVE-2023-26347 and is rated 7.5 under CVSS 3.1 with a network attack vector that requires no authentication or user interaction.
An unauthenticated remote attacker can directly leverage the weakness to reach the administrative endpoints, resulting in disclosure of sensitive configuration data without any other preconditions.
The Adobe security bulletin published at https://helpx.adobe.com/security/products/coldfusion/apsb23-52.html supplies official mitigation and patching instructions for the affected ColdFusion releases.
EPSS for the CVE is currently 0.8689, matching its recorded peak and indicating a persistently elevated likelihood of exploitation attempts.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-30168
Vulnerability details
Adobe ColdFusion versions 2023.5 (and earlier) and 2021.11 (and earlier) are affected by an Improper Access Control vulnerability that could result in a Security feature bypass. An unauthenticated attacker could leverage this vulnerability to access the administration CFM and CFC…
more
endpoints. Exploitation of this issue does not require user interaction.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.
Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.
Supervision and review of access control activities directly detects and remediates improper access configurations or usages.
Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.
By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.
Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.
Requiring prior authorization for each remote access type prevents improper access control over remote connections.
Requiring authorization of wireless access before allowing connections enforces proper access control for this access method.