Vulnerability in Nextcloud Mail
CVE-2023-23944
Nextcloud mail is an email app for the nextcloud home server platform. In versions prior to 2.2.2 user's passwords were stored in cleartext in the database during the duration of OAuth2 setup procedure. Any attacker or malicious user with access to the database would have access to these user passwords until the OAuth setup has been completed. It is recommended that the Nextcloud Mail app is upgraded to 2.2.2. There are no known workarounds for this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.0 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Nextcloud Mail
- Nextcloud Security-Advisories — versions < 2.2.2
Weakness classification (CWE)
References
- github.com/nextcloud/security-advisories/security/advisories/GHSA-g86r-x755-93f4 (Vendor Advisory)
- github.com/nextcloud/mail/pull/7797 (Patch)
- hackerone.com/reports/1806275 (Permissions Required, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-23944?
- CVE-2023-23944 is a low-severity vulnerability in Nextcloud Mail, classified under Cleartext Storage of Sensitive Information. CVSS score: 2.0/10. Published 2023-02-06.
- How severe is CVE-2023-23944?
- Low severity. CVSS v3 base score is 2.0 out of 10.