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cve[email protected]CVE-2021-33880
HistoryJun 06, 2021 - 3:15 p.m.

CVE-2021-33880

2021-06-0615:15:07
CWE-203
[email protected]
web.nvd.nist.gov
101
9
aaugustin
websockets library
python
cve-2021-33880
observable timing discrepancy
http basic authentication
timing attack

2.6 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.8%

JSON

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.

Affected configurations

NVD
Node
websockets_projectwebsocketsRange<9.1python
Node
oraclecommunications_cloud_native_core_policyMatch1.14.0
OR
oraclecommunications_cloud_native_core_security_edge_protection_proxyMatch1.5.0
OR
oraclecommunications_cloud_native_core_service_communication_proxyMatch1.14.0
OR
oraclecommunications_cloud_native_core_unified_data_repositoryMatch1.14.0

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2.6 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:H/Au:N/C:P/I:N/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.8%

JSON
Related for CVE-2021-33880
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