How to fix CVE-2025-12742?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Validate that input sanitization is in place for all user-controlled parameters.

Is Command Injection affected by CVE-2025-12742?

CVE-2025-12742 presents notable security risk, a OS command injection vulnerability rated CVSS 7.5. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise.

CVE-2025-12742

HIGH

2025-11-25 f45cbf4e-4146-4068-b7e1-655ffc2c548c

7.5

CVSS 4.0

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Red

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

CVE Published

Nov 25, 2025 - 06:15 nvd

HIGH 7.5

Description

A Looker user with a Developer role could cause Looker to execute a malicious command, due to insecure processing of Teradata driver parameters. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.12.108+ * 24.18.200+ * 25.0.78+ * 25.6.65+ * 25.8.47+ * 25.12.10+ * 25.14+

Analysis

A Looker user with a Developer role could cause Looker to execute a malicious command, due to insecure processing of Teradata driver parameters. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.

Technical Context

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A Looker user with a Developer role could cause Looker to execute a malicious command, due to insecure processing of Teradata driver parameters. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.12.108+ * 24.18.200+ * 25.0.78+ * 25.6.65+ * 25.8.47+ * 25.12.10+ * 25.14+

Affected Products

See vendor advisory for affected versions.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +38

POC: 0

CVE-2025-12742 vulnerability details – vuln.today

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CVE-2025-12742

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CVE-2025-12742

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

Remediation

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External POC / Exploit Code