Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-21739 | First vendor Publication | 2021-08-05 |
| Vendor | Cve | Last vendor Modification | 2021-08-12 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | |||
|---|---|---|---|
| Overall CVSS Score | 4.6 | ||
| Base Score | 4.6 | Environmental Score | 4.6 |
| impact SubScore | 3.6 | Temporal Score | 4.6 |
| Exploitabality Sub Score | 0.9 | ||
| Attack Vector | Physical | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | None |
| Integrity Impact | High | Availability Impact | None |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:L/AC:L/Au:N/C:N/I:P/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 2.1 | Attack Range | Local |
| Cvss Impact Score | 2.9 | Attack Complexity | Low |
| Cvss Expoit Score | 3.9 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| A ZTE's product of the transport network access layer has a security vulnerability. Because the system does not sufficiently verify the data reliability, attackers could replace an authenticated optical module on the equipment with an unauthenticated one, bypassing system authentication and detection, thus affecting signal transmission. This affects: |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21739 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-345 | Insufficient Verification of Data Authenticity |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Os | 1 |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1017024 |
Alert History
| Date | Informations |
|---|---|
| 2021-08-12 21:23:16 |
|
| 2021-08-06 00:22:48 |
|
