7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.016 Low
EPSS
Percentile
87.3%
It was discovered that the urllib.request.AbstractBasicAuthHandler class
in Python contains regex allowing for catastrophic backtracking. Specially
crafted traffic from a malicious HTTP server could cause a regular expression
denial of service (ReDoS) condition for a client.
(CVE-2020-8492)
It was discovered that the urllib.request.AbstractBasicAuthHandler class
in Python contains regex with a quadratic worst-case time complexity.
Specially crafted traffic from a malicious HTTP server could cause a regular
expression denial of service (ReDoS) condition for a client.
(CVE-2021-3733)
It was discovered that the Python urllib http client could enter into an infinite
loop when incorrectly handling certain server responses (100 Continue response).
Specially crafted traffic from a malicious HTTP server could cause a denial of
service (DoS) condition for a client.
(CVE-2021-3737)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 18.04 | noarch | python3.7-minimal | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | idle-python3.7 | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7 | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7-dbg | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7-dev | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7-minimal | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7-stdlib | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | libpython3.7-testsuite | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | python3.7 | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
Ubuntu | 18.04 | noarch | python3.7-dbg | < 3.7.5-2ubuntu1~18.04.2 | UNKNOWN |
7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.7 High
AI Score
Confidence
High
0.016 Low
EPSS
Percentile
87.3%