CVEvulnerability
CVE-2021-33038
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-276
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.
Affected configurations
• hyperkitty project hyperkitty (<= 1.3.4)
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-276 Incorrect Default Permissions weakness
References
- 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
- 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