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CVE-2020-13254

Good to know:

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Date: June 3, 2020

An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. In cases where a memcached backend does not perform key validation, passing malformed cache keys could result in a key collision, and potential data leakage.

Language: Python

Severity Score

Related Resources (24)

https://github.com/django/django/commit/07e59caa02831c4569bbebb9eb773bdd9cb4b206
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4A2AP4T7RKPBCLTI2NNQG3T6MINDUUMZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4A2AP4T7RKPBCLTI2NNQG3T6MINDUUMZ
https://github.com/django/django/commit/84b2da5552e100ae3294f564f6c862fef8d0e693
https://security.netapp.com/advisory/ntap-20200611-0002
https://usn.ubuntu.com/4381-1/
https://usn.ubuntu.com/4381-2/
https://nvd.nist.gov/vuln/detail/CVE-2020-13254
https://docs.djangoproject.com/en/3.0/releases/security
https://usn.ubuntu.com/4381-2
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.djangoproject.com/weblog/2020/jun/03/security-releases/
https://security.netapp.com/advisory/ntap-20200611-0002/
https://usn.ubuntu.com/4381-1
https://github.com/django/django
https://www.debian.org/security/2020/dsa-4705
https://github.com/advisories/GHSA-wpjr-j57x-wxfw
https://groups.google.com/d/msg/django-announce/pPEmb2ot4Fo/X-SMalYSBAAJ
https://lists.debian.org/debian-lts-announce/2020/06/msg00016.html
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2020-31.yaml
https://docs.djangoproject.com/en/3.0/releases/security/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4A2AP4T7RKPBCLTI2NNQG3T6MINDUUMZ/
https://www.djangoproject.com/weblog/2020/jun/03/security-releases
https://www.mend.io/vulnerability-database/CVE-2020-13254

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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