Description: 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:
CVE-2021-21739
Published Date: 2021-08-05T20:15Z
Last Modified: 2021-08-12T14:50Z
CVSS Score: 4.6 (MEDIUM)
EPSS Score: 0.06%
Risk Score: 3.22 (MEDIUM)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
4.6 |
EPSS:
0.06%
Mitre ATT&CK Technical v15.1
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
Vendor - Produce - Version
Disclaimer
The content on this website is automatically sourced from external websites such as the National Vulnerability Database (NVD), GitHub, and other security-related sources. This content is for reference purposes only, and we are not responsible for the accuracy or integrity of the information linked or displayed from these sources.