Vulnerability Monitor

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CVE-2021-21739

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: <ZXCTN 6120H><V5.10.00B24>

Published

2021-08-05T20:15:07.703

Last Modified

2024-11-21T05:48:54.873

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.6 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-345
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zte zxctn_6120h_firmware 5.10.00b24 Yes
Hardware zte zxctn_6120h - No
References