Is CVE-2026-121020 being actively exploited?

CVE-2026-121020 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2026-121020?

CVE-2026-121020 has a CVSS 3.1 base score of 4.3 (MEDIUM).

CVE-2026-121020

MEDIUM · CVSS 4.3EPSS 0.2%EU EUVD

Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) in the security configuration API in AxxonSoft Axxon One before 3.2.0 on Windows and Linux allows a remote authenticated user with limited privileges to enumerate all user accounts and roles configured in the system via the user configuration request, which returned the complete lists of users and roles regardless of the caller's permissions.

Key facts

CVSS score: 4.3 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 0.2% (12th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2026-115716)
Published: November 3, 2026
NVD last modified: November 3, 2026
Status: Deferred

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-115716 in the EU Vulnerability Database. Last updated in EUVD on November 3, 2026.

View on the EU Vulnerability Database

References

https://www.axxonsoft.com/legal/axxonsoft-vulnerability-disclosure-policy/security-advisories#CVE-2026-121020

Last updated November 4, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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