How severe is CVE-2021-32234?

CVE-2021-32234 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-32234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32234?

CVE-2021-32234 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32234?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-32234 published?

CVE-2021-32234 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-32234

CVE-2021-32234 is a critical-severity vulnerability in Smartertools Smartermail with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Smartertools Smartermail
Published: 2021-11-17
Last modified: 2026-06-17

Description

SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution.

Frequently asked questions

What is CVE-2021-32234?: SmarterTools SmarterMail 16.x through 100.x before 100.0.7803 allows remote code execution.
How severe is CVE-2021-32234?: CVE-2021-32234 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32234?: CVE-2021-32234 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-32234 published?: CVE-2021-32234 was published on 2021-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:*

More vulnerabilities in Smartertools Smartermail

CVE-2025-52691 — Critical (CVSS 10.0): Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any…
CVE-2026-24423 — Critical (CVSS 9.8): SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in…
CVE-2026-23760 — Critical (CVSS 9.8): SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password…
CVE-2019-7214 — Critical (CVSS 9.8): SmarterTools SmarterMail 16.x before build 6985 allows deserialization of untrusted data. An unauthenticated attacker…
CVE-2019-7212 — High (CVSS 8.2): SmarterTools SmarterMail 16.x before build 6985 has hardcoded secret keys. An unauthenticated attacker could access…
CVE-2026-7807 — High (CVSS 8.1): SmarterTools SmarterMail builds prior to 9560 contain a local file inclusion vulnerability in the…

All CVEs affecting Smartertools Smartermail →