CVE-2023-23943

2023-02-0621:15:09

CWE-918

[email protected]

web.nvd.nist.gov

nextcloud

mail app

vulnerability

cve-2023-23943

upgrade

network scanning

nvd

security advisory

5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

4.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

33.6%

JSON

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.

Affected configurations

Vulners

NVD

Node

nextcloudnextcloudRange2.0.0–2.2.2

nextcloudnextcloudRange<1.15.0

VendorProductVersionCPE
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
nextcloudnextcloud*cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::
nextcloud	nextcloud	*	cpe:2.3:a:nextcloud:nextcloud::::::::

CNA Affected

[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 2.0.0, < 2.2.2",
        "status": "affected"
      },
      {
        "version": "< 1.15.0",
        "status": "affected"
      }
    ]
  }
]