Vulnerability Monitor

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CVE-2021-1145

A vulnerability in the Secure FTP (SFTP) of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an authenticated, remote attacker to read arbitrary files on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the affected device. The vulnerability is due to insecure handling of symbolic links. An attacker could exploit this vulnerability by sending a crafted SFTP command to an affected device. A successful exploit could allow the attacker to read arbitrary files on the affected device.

Published

2021-01-13T22:15:14.803

Last Modified

2024-11-21T05:43:41.293

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

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

8.0

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-61
  • Type: Primary
    CWE-59
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco staros < 21.19.7 Yes
Hardware cisco asr_5000 - No
Hardware cisco asr_5500 - No
Hardware cisco asr_5700 - No
References