CVE-2023-23943

Blind SSRF via server URL input in the Nextcloud Mail app

State
Published
Severity
5.0 Medium
Published
Feb 6, 2023
Updated
Mar 10, 2025
Reserved
Jan 19, 2023

Read the record on cve.org

Description

Nextcloud mail is an email app for the nextcloud home server platform. In affected versions the SMTP, IMAP and Sieve host fields allowed to scan for internal services and servers reachable from within the local network of the Nextcloud Server. It is recommended that the Nextcloud Maill app is upgraded to 1.15.0 or 2.2.2. The only known workaround for this issue is to completely disable the nextcloud mail app.

Scores

CVSSScoreVectorSource
3.15.0 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:NGitHub_M

Weaknesses

  • CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

ProductVersions
security-advisoriesnextcloud
  • >= 2.0.0, < 2.2.2Affected
  • < 1.15.0Affected

References

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