7.5
HIGH
CVE-2021-33038
HyperKitty Public Archive Exposure Information Disclosure
Description

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.

INFO

Published Date :

May 26, 2021, 2:15 p.m.

Last Modified :

June 28, 2022, 2:11 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-33038 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Hyperkitty_project hyperkitty
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-33038.

URL Resource
https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa Patch Third Party Advisory
https://gitlab.com/mailman/hyperkitty/-/issues/380 Exploit Issue Tracking Patch Third Party Advisory
https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3/ Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4922 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-33038 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-33038 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jun. 28, 2022

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-276
  • Modified Analysis by [email protected]

    Jun. 04, 2022

    Action Type Old Value New Value
    Changed Reference Type https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3/ No Types Assigned https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3/ Patch, Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 20, 2021

    Action Type Old Value New Value
    Added Reference https://techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mailman3/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 01, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa No Types Assigned https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa Patch, Third Party Advisory
    Changed Reference Type https://gitlab.com/mailman/hyperkitty/-/issues/380 No Types Assigned https://gitlab.com/mailman/hyperkitty/-/issues/380 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2021/dsa-4922 No Types Assigned https://www.debian.org/security/2021/dsa-4922 Third Party Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration OR *cpe:2.3:a:hyperkitty_project:hyperkitty:*:*:*:*:*:*:*:* versions up to (including) 1.3.4
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 29, 2021

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2021/dsa-4922 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-33038 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-33038 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.72 }} 0.21%

score

0.80547

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability