What is the CVSS score of CVE-2023-28768?

CVE-2023-28768 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a patch available for CVE-2023-28768?

Yes, a patch is available for CVE-2023-28768. Update the affected software to the latest version immediately.

Xgs2220 30 Firmware CVE-2023-28768

MEDIUM

Improper Handling of Exceptional Conditions (CWE-755)

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

Information Disclosure Zyxel Xgs2220 30 Firmware Xgs2220 30F Firmware Xgs2220 30Hp Firmware Xgs2220 54 Firmware Xgs2220 54Fp Firmware Xgs2220 54Hp Firmware Xmg1930 30 Firmware Xmg1930 30Hp Firmware Xs1930 10 Firmware Xs1930 12F Firmware Xs1930 12Hp Firmware

6.5

CVSS 3.1 · Vendor: zyxel

Severity by source

Vendor (zyxel) PRIMARY

6.5 MEDIUM

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

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

CVSS VectorVendor: zyxel

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 14, 2023 - 17:15 cve.org

MEDIUM 6.5

DescriptionCVE.org

Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch.

AnalysisAI

Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-755. Improper frame handling in the Zyxel XGS2220-30 firmware version V4.80(ABXN.1), XMG1930-30 firmware version V4.80(ACAR.1), and XS1930-10 firmware version V4.80(ABQE.1) could allow an unauthenticated LAN-based attacker to cause denial-of-service (DoS) conditions by sending crafted frames to an affected switch. Affected products include: Zyxel Xgs2220-30 Firmware, Zyxel Xgs2220-30F Firmware, Zyxel Xgs2220-30Hp Firmware, Zyxel Xgs2220-54 Firmware, Zyxel Xgs2220-54Fp Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.