VDB

CVE-2021-33880

CVE-2021-33880 PUBLISHED CVSS 5.900000095367432 MEDIUM

The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=...). An attacker may be able to guess a password via a timing attack.

EPSS 2.26% · 83.0th percentile

Risk Scores

CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
2.26%
83.0th percentile

Affected Products

VendorProductVersions
Ubuntu:16.04:LTSpython-websockets2.6-1, 0, 3.0-1
Ubuntu:24.04:LTSpython-websockets10.4-1, 0
Ubuntu:20.04:LTSpython-websockets7.0-1, 8.1-1, 0
Ubuntu:22.04:LTSpython-websockets9.1-1, 8.1-1, 0
Ubuntu:25.10python-websockets15.0.1-1, 0, 14.1-1build1
Ubuntu:18.04:LTSpython-websockets0, 3.4-1, 3.3-1

Timeline

  • Jun 6, 2021 CVE Published
  • Jun 8, 2021 EPSS Score
  • Jun 19, 2021 EPSS Score
  • Aug 9, 2021 EPSS Score
  • Oct 10, 2021 EPSS Score
  • Dec 10, 2021 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 9, 2022 EPSS Score
  • Feb 10, 2022 EPSS Score
  • Apr 12, 2022 EPSS Score
  • Jun 12, 2022 EPSS Score
  • Aug 13, 2022 EPSS Score
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