Vulnerability Monitor

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CVE-2020-8349

An internal security review has identified an unauthenticated remote code execution vulnerability in Cloud Networking Operating System (CNOS)’ optional REST API management interface. This interface is disabled by default and not vulnerable unless enabled. When enabled, it is only vulnerable where attached to a VRF and as allowed by defined ACLs. Lenovo strongly recommends upgrading to a non-vulnerable CNOS release. Where not possible, Lenovo recommends disabling the REST API management interface or restricting access to the management VRF and further limiting access to authorized management stations via ACL.

Published

2020-10-14T22:15:13.653

Last Modified

2024-11-21T05:38:45.380

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-94
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System lenovo cloud_networking_operating_system < 10.10.6.0 Yes
Hardware lenovo rackswitch_g8272 - No
Hardware lenovo rackswitch_g8296 - No
Hardware lenovo rackswitch_g8332 - No
Hardware lenovo rackswitch_ne0152t - No
Hardware lenovo rackswitch_ne10032 - No
Hardware lenovo rackswitch_ne1032 - No
Hardware lenovo rackswitch_ne1032t - No
Hardware lenovo rackswitch_ne1072t - No
Hardware lenovo rackswitch_ne2572 - No
References