CVE-2021-33880

MediumCVSS 5.9/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-33880: Medium severity, CVSS 5.9 | Vulnix