Vulnerability Monitor

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CVE-2021-28089

Tor before 0.4.5.7 allows a remote participant in the Tor directory protocol to exhaust CPU resources on a target, aka TROVE-2021-001.

Published

2021-03-19T05:15:12.807

Last Modified

2024-11-21T05:59:04.063

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-400
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application torproject tor < 0.3.5.14 Yes
Application torproject tor < 0.4.4.8 Yes
Application torproject tor < 0.4.5.7 Yes
Application torproject tor 0.4.4.0 Yes
Application torproject tor 0.4.4.1 Yes
Application torproject tor 0.4.4.2 Yes
Application torproject tor 0.4.4.3 Yes
Operating System fedoraproject fedora 33 Yes
References