CVE•Published 2026-01-23•1 article on news•5 live references•NVD data

CVE-2026-24423

Vulnerability data via CVEDB (Shodan)

CVSS v3.1

9.3

CRITICAL

EPSS percentile

100

Exploit Prediction Scoring System · top 0% of all CVEs

Description

SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.

Timeline

Published 2026-01-23

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-24423

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product + version

product:"Smartertools Smartermail" version:"1.0.0"

Version-pinned fingerprint from NVD's first vulnerable CPE.

Shodan · banner/body mention

http.html:"Smartermail"

HTTP body or banner mentions "Smartermail" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-24423