CVE-2021-21728

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
A ZTE product has a configuration error vulnerability. Because a certain port is open by default, an attacker can consume system processing resources by flushing a large number of packets to the port, and successfully exploiting this vulnerability could reduce system processing capabilities. This affects: ZXA10 C300M all versions up to V4.3P8.
Overview
  • CVE ID
  • CVE-2021-21728
  • Assigner
  • psirt@zte.com.cn
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-09T18:15:13
  • Last Modified Date
  • 2021-04-20T16:43:18
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zte:zxa10_c300m_firmware:*:*:*:*:*:*:*:* 1 OR 4.5
cpe:2.3:h:zte:zxa10_c300m:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • 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:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014784 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21728
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21728
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:12 Added to TrackCVE
2022-12-06 01:31:19 2021-04-09T18:15Z 2021-04-09T18:15:13 CVE Published Date updated
2022-12-06 01:31:19 2021-04-20T16:43:18 CVE Modified Date updated
2022-12-06 01:31:19 Analyzed Vulnerability Status updated