Medium severity · published Jun 6, 2021
CVE-2021-33880
The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with…
5.9
CVSS
2.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Communications Cloud Native Core Policy · Oracle
1.14.0 · source: NVD
CC
Communications Cloud Native Core Security Edge Protection Proxy · Oracle
1.5.0 · source: NVD
CC
Communications Cloud Native Core Service Communication Proxy · Oracle
1.14.0 · source: NVD
CC
Communications Cloud Native Core Unified Data Repository · Oracle
1.14.0 · source: NVD
WE
Websockets · Websockets Project
before 9.1 · source: NVD
Affected product
CC
Communications Cloud Native Core Policy
Oracle
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33880
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33880
Patch
https://github.com/aaugustin/websockets/commit/547a26b685d08cac0aa64e5e65f7867ac0ea9bc0
Patch
https://www.oracle.com/security-alerts/cpuapr2022.html
Patch
https://www.oracle.com/security-alerts/cpujan2022.html
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