ZyXEL XGS2220-30/XMG1930-30/XS1930-10 Frames denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in ZyXEL XGS2220-30, XMG1930-30 and XS1930-10. This impacts an unknown function of the component Frames Handler. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2023-28768. The attack can only be initiated within the local network. No exploit exists.

Detailsinfo

A vulnerability was found in ZyXEL XGS2220-30, XMG1930-30 and XS1930-10 (affected version not known) and classified as problematic. Affected by this issue is some unknown functionality of the component Frames Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

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.

The weakness was disclosed 08/14/2023. The advisory is shared for download at zyxel.com. This vulnerability is handled as CVE-2023-28768 since 03/23/2023. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Zyxel Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/23/2023 🔍
08/14/2023 +143 days 🔍
08/14/2023 +0 days 🔍
09/09/2023 +26 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: zyxel.com
Status: Confirmed

CVE: CVE-2023-28768 (🔍)
GCVE (CVE): GCVE-0-2023-28768
GCVE (VulDB): GCVE-100-237092

Entryinfo

Created: 08/14/2023 20:24
Updated: 09/09/2023 06:15
Changes: 08/14/2023 20:24 (37), 09/09/2023 06:15 (12)
Complete: 🔍
Cache ID: 216::103

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