VULNERABILITY INTELLIGENCE

CVE-2021-33880

CVSS score5.9 MEDIUM
EPSS probability2.27%
CISA KEVNot currently listed
Published2021-06-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-203

Primary references