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CVE-2021-33038

Date: May 26, 2021

An issue was discovered in management/commands/hyperkitty_import.py in HyperKitty through 1.3.4. When importing a private mailing list's archives, these archives are publicly visible for the duration of the import. For example, sensitive information might be available on the web for an hour during a large migration from Mailman 2 to Mailman 3.

Language: Python

Severity Score

Related Resources (11)

https://github.com/pypa/advisory-database/tree/main/vulns/hyperkitty/PYSEC-2021-77.yaml
https://nvd.nist.gov/vuln/detail/CVE-2021-33038
https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa
https://github.com/advisories/GHSA-h39g-q63v-4h9p
https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3/
https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3
https://gitlab.com/mailman/hyperkitty
https://gitlab.com/mailman/hyperkitty/-/blob/master/doc/news.rst#L83-L87
https://gitlab.com/mailman/hyperkitty/-/issues/380
https://www.debian.org/security/2021/dsa-4922
https://www.mend.io/vulnerability-database/CVE-2021-33038

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Incorrect Default Permissions

CWE-276

CVSS v3.1

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

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