Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2021-34549

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.

  • Published: Jun 29, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-34549
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
torproject / tor - 0.3.5.15
torproject / tor 0.4.0.0 0.4.4.9
torproject / tor 0.4.5.0 0.4.5.9
torproject / tor 0.4.6.0 0.4.6.5