Vulnerability Monitor

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CVE-2021-42757

A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments.

Published

2021-12-08T11:15:11.840

Last Modified

2024-11-21T06:28:06.653

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.7 (MEDIUM)

CVSSv2 Vector

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

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

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application fortinet fortiadc ≤ 6.1.5 Yes
Application fortinet fortiadc ≤ 6.2.2 Yes
Application fortinet fortianalyzer ≤ 6.4.7 Yes
Application fortinet fortianalyzer ≤ 7.0.2 Yes
Application fortinet fortimail ≤ 6.2.7 Yes
Application fortinet fortimail ≤ 6.4.6 Yes
Application fortinet fortimail ≤ 7.0.2 Yes
Application fortinet fortimanager ≤ 6.4.7 Yes
Application fortinet fortimanager ≤ 7.0.2 Yes
Application fortinet fortindr ≤ 1.5.2 Yes
Application fortinet fortios-6k7k ≤ 6.2.8 Yes
Application fortinet fortios-6k7k 6.4.2 Yes
Application fortinet fortios-6k7k 6.4.6 Yes
Application fortinet fortiportal ≤ 6.0.10 Yes
Application fortinet fortiproxy ≤ 2.0.7 Yes
Application fortinet fortiproxy 7.0.0 Yes
Application fortinet fortiproxy 7.0.1 Yes
Application fortinet fortivoice ≤ 6.0.10 Yes
Application fortinet fortivoice ≤ 6.4.4 Yes
Application fortinet fortiweb ≤ 6.3.16 Yes
Application fortinet fortiweb 6.4.0 Yes
Application fortinet fortiweb 6.4.1 Yes
Operating System fortinet fortios ≤ 6.0.13 Yes
Operating System fortinet fortios ≤ 6.2.9 Yes
Operating System fortinet fortios ≤ 6.4.7 Yes
Operating System fortinet fortios ≤ 7.0.2 Yes
Operating System fortinet fortirecorder_firmware ≤ 6.0.10 Yes
Operating System fortinet fortirecorder_firmware ≤ 6.4.2 Yes
Operating System fortinet fortiswitch ≤ 6.4.9 Yes
Operating System fortinet fortiswitch ≤ 7.0.3 Yes
References