What is the CVSS score of CVE-2023-33013?

CVE-2023-33013 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a patch available for CVE-2023-33013?

Yes, a patch is available for CVE-2023-33013. Update the affected software to the latest version immediately.

Nbg6604 Firmware CVE-2023-33013

HIGH

OS Command Injection (CWE-78)

2023-08-14 security@zyxel.com.tw

Command Injection Zyxel Nbg6604 Firmware

8.8

CVSS 3.1 · Vendor: zyxel

Severity by source

Vendor (zyxel) PRIMARY

8.8 HIGH

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

Primary rating from Vendor (zyxel) · only source for this CVE.

CVSS VectorVendor: zyxel

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 14, 2023 - 17:15 cve.org

HIGH 8.8

DescriptionCVE.org

AnalysisAI

A post-authentication command injection vulnerability in the NTP feature of Zyxel NBG6604 firmware version V1.01(ABIR.1)C0 could allow an authenticated attacker to execute some OS commands remotely. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This OS Command Injection vulnerability could allow attackers to execute arbitrary operating system commands on the host.

Technical ContextAI

This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. A post-authentication command injection vulnerability in the NTP feature of Zyxel NBG6604 firmware version V1.01(ABIR.1)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request. Affected products include: Zyxel Nbg6604 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.