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Vulnerabilities

Vulnerability · CVE-2025-54011

Missing Authorization vulnerability in SMTP2GO SMTP2GO smtp2go allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SMTP2GO: from n/a through

Published Jul 16, 2025 · catalog updated May 13, 2026 · SMTP2GO SMTP2GO

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-54011. EPSS is 0.23%. Act only if a listed version of SMTP2GO SMTP2GO is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Advisory link
Affected products
vendor SMTP2GO SMTP2GO 0 ≤1.12.1

Missing Authorization vulnerability in SMTP2GO SMTP2GO smtp2go allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SMTP2GO: from n/a through <= 1.12.1.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor SMTP2GO SMTP2GO 0 ≤1.12.10 ≤1.12.1

How to fix CVE-2025-54011

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-54011. EPSS is 0.23%. Act only if a listed version of SMTP2GO SMTP2GO is installed.

Which versions are affected?

Compare what you have installed with SMTP2GO SMTP2GO 0 ≤1.12.1 0 ≤1.12.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 16, 2025 · EUVD

    Detected

    Missing Authorization vulnerability in SMTP2GO SMTP2GO smtp2go allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SMTP2GO: from n/a through <= 1.12.1.

  2. May 13, 2026 · EUVD

    Updated

    Missing Authorization vulnerability in SMTP2GO SMTP2GO smtp2go allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SMTP2GO: from n/a through <= 1.12.1.

Sources

  • CVE.orgVulnerability recordCVE-2025-54011

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-54011

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-21679

    Missing Authorization vulnerability in SMTP2GO SMTP2GO smtp2go allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SMTP2GO: from n/a through <= 1.12.1.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026