CVE-2023-23943 affects the Nextcloud Mail app, allowing attackers to scan internal network services and servers through manipulated SMTP, IMAP, and Sieve host fields. This vulnerability carries a CVSS score of 4.3 (Medium), indicating a low-complexity attack vector that requires adjacent network access and could lead to information disclosure. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE. Upgrading the Nextcloud Mail app to version 1.15.0 or 2.2.2 is recommended to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.15.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.2.2CPE matchmatch criteria | cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.