CVE-2021-21723
CVSS V2 Medium 4.3
CVSS V3 High 7.5
Description
Some ZTE products have a DoS vulnerability. Due to the improper handling of memory release in some specific scenarios, a remote attacker can trigger the vulnerability by performing a series of operations, resulting in memory leak, which may eventually lead to device denial of service. This affects: ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12.
Overview
- CVE ID
- CVE-2021-21723
- Assigner
- psirt@zte.com.cn
- Vulnerability Status
- Analyzed
- Published Version
- 2021-01-26T18:16:18
- Last Modified Date
- 2021-02-02T21:19:32
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:zte:zxr10_9904_firmware:*:*:*:*:*:*:*:* | 1 | OR | v1.01.10.b12 | |
| cpe:2.3:h:zte:zxr10_9904:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:zte:zxr10_9908_firmware:*:*:*:*:*:*:*:* | 1 | OR | v1.01.10.b12 | |
| cpe:2.3:h:zte:zxr10_9908:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:zte:zxr10_9916_firmware:*:*:*:*:*:*:*:* | 1 | OR | v1.01.10.b12 | |
| cpe:2.3:h:zte:zxr10_9916:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:zte:zxr10_9904-s_firmware:*:*:*:*:*:*:*:* | 1 | OR | v1.01.10.b12 | |
| cpe:2.3:h:zte:zxr10_9904-s:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:zte:zxr10_9908-s_firmware:*:*:*:*:*:*:*:* | 1 | OR | v1.01.10.b12 | |
| cpe:2.3:h:zte:zxr10_9908-s:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21723 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21723 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:24:50 | Added to TrackCVE | |||
| 2022-12-05 20:54:07 | 2021-01-26T18:16Z | 2021-01-26T18:16:18 | CVE Published Date | updated |
| 2022-12-05 20:54:07 | 2021-02-02T21:19:32 | CVE Modified Date | updated | |
| 2022-12-05 20:54:07 | Analyzed | Vulnerability Status | updated |