Vulnerability

CVE-2025-24016

Critical· 9.9KEVEXPLOITCVSS9.9EPSS94%

.rules3/5

Wazuh Server Deserialization of Untrusted Data Vulnerability

Wazuh contains a deserialization of untrusted data vulnerability that allows for remote code execution on Wazuh servers.

Threat signal

100/100

Severe

Severity

critical

CVSS

9.9

EPSS

94%

Active

KEV

CISA KEV — actively exploited

347d overdue

AffectedWazuh — Wazuh Server

Added to KEV

2025-06-10

Federal patch due (BOD 22-01)

2025-07-01

Required action (CISA verbatim)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “Wazuh contains a deserialization of untrusted data vulnerability that allows for remote code execution on Wazuh servers.”

CVSS

v3.1Open in FIRST calculator →

9.9/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactLowSome data disclosure; attacker doesn't fully control what.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

93.9%

probability of exploitation in next 30 days

p100

higher than 100% of all CVEs

3-day trend↑ 0pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2025-24016. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2025-06-10Added to CISA KEVransomware: Unknown
2025-06-10Public exploit observedmetasploit
2025-06-10Published
2025-07-01Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.