CVE-2025-3816Public exploitNetwork attack vector

Authenticated code execution via arbitrary Spring bean invocation

Published Apr 19, 2025 · Updated Apr 21, 2025

Command injection in CicadasCMS 2.0 allows remote authenticated users to invoke arbitrary Spring bean methods through scheduled tasks. The save handler accepts attacker-controlled springBean and methodName values, and the task runner resolves that bean and invokes the named method without an execution allowlist. High-privilege access to the scheduled-task interface is required; the published proof demonstrates disruption of scheduled-task execution.

CVSS severity7.2
High
EPSS probability6.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in CicadasCMS 2.0 allows remote authenticated users to invoke arbitrary Spring bean methods through scheduled tasks. The save handler accepts attacker-controlled springBean and methodName values, and the task runner resolves that bean and invokes the named method without an execution allowlist. High-privilege access to the scheduled-task interface is required; the published proof demonstrates disruption of scheduled-task execution.

The record

CVE
CVE-2025-3816
Published
Apr 19, 2025
Updated
Apr 21, 2025
Vendor
westboy
Product
CicadasCMS
Classifications
CWE-78, CWE-77, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

westboy · CicadasCMSversion=2.0

Published CVSS scores

5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
7.2NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
5.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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