CRITICALCVSS 9.8Actively exploited · CISA KEV since 2026-02-05Vulnerability
CVE-2026-24423
SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command execution.
Properties
- Euvd product
- SmarterMail
- Vulnerability name
- SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
- First seen
- 2026-08-04T03:56:04+00:00
- Cvss score
- 9.8
- Epss score
- 0.88177
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-02-26
- Euvd assigner
- VulnCheck
- Retrieved at
- 2026-10-21T01:24:49+00:00
- Exploited euvd since
- 2026-02-05T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-02-05
- Score
- 9.8
- Euvd base score version
- 4.0
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- SmarterTools, SmarterTools Inc.
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 9.3
Related Entities (6)
MENTIONED_IN (2)
AFFECTS_PRODUCT (1)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
Explore deeper with Ninja Signal's threat intelligence graph