Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-21273

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
11/08/2026
Last modified:
13/08/2026

Description

is affected by an Improper Input Validation vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain unauthorized read and write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x
8.70
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:adobe:coldfusion:2023:-:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update1:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update10:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update11:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update12:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update13:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update14:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update15:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update16:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update17:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update18:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update19:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update2:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update20:*:*:*:*:*:*
cpe:2.3:a:adobe:coldfusion:2023:update21:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools