VulnerabilityModified
CVE-2021-33038
An issue was discovered in management/commands/hyperkitty_import.py in HyperKitty through 1.3.4.
HIGH 7.5EPSS 1.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.86% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- hyperkitty project/hyperkitty · debian/debian linux
- Source
- cve@mitre.org
References
- https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804faPatch, Third Party Advisory
- https://gitlab.com/mailman/hyperkitty/-/issues/380Exploit, 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-4922Third Party Advisory
- https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804faPatch, Third Party Advisory
- https://gitlab.com/mailman/hyperkitty/-/issues/380Exploit, 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-4922Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.