CVE-2021-33880

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory github.com Third-Party Advisory oracle.com Third-Party Advisory oracle.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0 third party advisory patch
https://www.oracle.com/security-alerts/cpujan2022.html third party advisory patch
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-33880?
CVE-2021-33880 has been scored as a medium severity vulnerability.
How to fix CVE-2021-33880?
To fix CVE-2021-33880, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33880 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-33880 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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