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CVE-2025-59783

8.8
High
EPSS 0.86%Patch availableMar 5, 2026

Admin-auth OS command injection via user-sync API (CVE-2025-59783).

common questions

Is CVE-2025-59783 being exploited?

Not confirmed. CVE-2025-59783 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.86% probability of exploitation in the next 30 days.

How severe is CVE-2025-59783?

CVE-2025-59783 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2025-59783?

Yes. A fix has been recorded for CVE-2025-59783. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2025-59783 affect?

CVE-2025-59783 affects 2N Access Commander 3.4.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2025-59783?

Patch when available; restrict admin API access; rotate credentials.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
2N Access Commander 3.4.1
impact

OS command injection via admin API; arbitrary OS commands execution on server.

action required

Patch when possible

affected versions
2N Telekomunikace a.s. 2N Access Commander
  • affected< 3.4.2

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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