CVE-2021-33038
hyperkitty - security update
7.5
HIGH
CVSS 3.1
EPSS 0.41%
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.
How to fix CVE-2021-33038
To remediate CVE-2021-33038, upgrade the affected package to a fixed version below.
- —upgrade to 1.3.4-4 or later
- —upgrade to 1.2.2-1+deb10u1 or later
- —upgrade to 1.3.5 or later
- —upgrade to 1.3.5 or later
Is CVE-2021-33038 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.3.4-4
- from 0, < 1.2.2-1+deb10u1
- from 0, < 1.3.5
- from 0, < 1.3.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |