Home/CVE/Nextcloud mail is an email app for the nextcloud home server platform. In versions prior to 2.2.2 user's passwords were
CVE

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

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.

LOW · CVSS 2 EPSS 0.00201
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-312Cleartext Storage of Sensitive Information
▤

Affected Products & Versions

1
nextcloud mail< 2.2.2
▣

Scoring & Timeline

2
LOW · CVSS v3.1 · security-advisories@github.com
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Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Feb 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/nextcloud/mail/pull/7797Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g86r-x755-93f4Vendor Advisory
https://hackerone.com/reports/1806275Permissions RequiredThird Party Advisory
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