CVE-2021-21727 - Vulnerability Details - OpenCVE

Description

A ZTE product has a DoS vulnerability. A remote attacker can amplify traffic by sending carefully constructed IPv6 packets to the affected devices, which eventually leads to device denial of service. This affects:<ZXHN F623><All versions up to V6.0.0P3T33>

Published: 2021-03-29

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

<ZXHN F623>

affected

Version	Status	Constraints
`<ZXHN Z500 V1.0.0.2B1.1000 & ZXHN F670L V1.1.10P1N2E>`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:zte:zxhn_f623_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zte:zxhn_f623:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8899	A ZTE product has a DoS vulnerability. A remote attacker can amplify traffic by sending carefully constructed IPv6 packets to the affected devices, which eventually leads to device denial of service. This affects:<ZXHN F623><All versions up to V6.0.0P3T33>

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00607.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014744

History

No history.

Subscriptions

Zte Zxhn F623 Zxhn F623 Firmware

MITRE

Status: PUBLISHED

Assigner: zte

Published: 2021-03-29T15:41:42.000Z

Updated: 2024-08-03T18:23:29.287Z

Reserved: 2021-01-04T00:00:00.000Z

Link: CVE-2021-21727

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-03-29T16:15:13.133

Modified: 2024-11-21T05:48:53.443

Link: CVE-2021-21727

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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