CVE-2021-33038: 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…

PriorityP342high7.5CVSS 3.1

AVNACLPRNUINSUCHINAN

EPSS

1.86%

77.2th percentile

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

8 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	hyperkitty	< hyperkitty 1.3.4-4 (bookworm)	hyperkitty 1.3.4-4 (bookworm)
hyperkitty_project	hyperkitty	<= 1.3.4	—
hyperkitty_project	hyperkitty	>= 0 < 1.3.4-4	1.3.4-4
hyperkitty_project	hyperkitty	>= 0 < 1.3.4-4	1.3.4-4
hyperkitty_project	hyperkitty	>= 0 < 1.3.4-4	1.3.4-4
hyperkitty_project	hyperkitty	>= 0 < 1.3.4-4	1.3.4-4
hyperkitty_project	hyperkitty	>= 0 < 1.3.5	1.3.5

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

osv7.5HIGH

vendor_debian7.5HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.