Improper Authorization in HyperKitty - CVE-2021-33038
Published: May 30, 2021
Vulnerability identifier: #VU53655
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-33038
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
HyperKitty
HyperKitty
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to missing authorization checks in "management/commands/hyperkitty_import.py" during import of private mailing list's archives when migrating from Mailman 2 to Mailman 3. A remote attacker can download sensitive information during the import stage, as the archives become available to everybody.
How to mitigate CVE-2021-33038
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.