Vulnerability in Hyperkitty Project
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Hyperkitty Project
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- gitlab.com/mailman/hyperkitty/-/issues/380 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa (Patch, Third Party Advisory)
- www.debian.org/security/2021/dsa-4922 (vendor-advisory, Third Party Advisory)
- techblog.wikimedia.org/2021/06/11/discovering-and-fixing-cve-2021-33038-in-mail… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33038?
- CVE-2021-33038 is a high-severity vulnerability in Hyperkitty Project, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2021-05-26.
- How severe is CVE-2021-33038?
- High severity. CVSS v3 base score is 7.5 out of 10.