Critical severity · published Nov 17, 2021
CVE-2021-32234
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution
9.8
CVSS
2.2%
EPSS
No
On KEV
Description
SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
Smartermail · Smartertools
16.0.6345 before 100.0.7803 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32234
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32234
Third Party Advisory
https://csirt.divd.nl/cases/DIVD-2021-00006/
Release Notes
https://www.smartertools.com/smartermail/release-notes/current
More from Smartermail
10.0
CVE-2025-52691
Upload Arbitrary Files
9.8
CVE-2026-24423
SmarterTools SmarterMail < Build 9511 Unauthenticated RCE via ConnectToHub API
9.8
CVE-2026-23760
SmarterTools SmarterMail < Build 9511 Authentication Bypass via Password Reset API
9.8
CVE-2019-7214
SmarterTools SmarterMail 16.x before build 6985 allows deserialization of untrusted data
9.1
CVE-2026-40514
SmarterTools SmarterMail < Build 9610 Cryptographic Weakness via Weak RNG