CyberSecBulletin
CVE-2025-11093NVD status: Analyzed

WSO2 Micro Integrator: Improper Control of Generation of Code

Published Updated By the CyberSecBulletin desk

CVE-2025-11093 is a high-severity improper control of generation of code vulnerability in WSO2 Micro Integrator from WSO2, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. The record lists versions 4.0.0.145, 4.1.0.147, 4.2.0.141 as the first without the flaw, so updating WSO2 Micro Integrator to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.47% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update WSO2 Micro Integrator to 4.0.0.145 or 4.1.0.147 or 4.2.0.141 or 4.3.0.42, whichever matches your release line, or a later version.
  2. Update WSO2 API Manager to 3.1.0.345 or 3.2.0.446 or 3.2.1.66 or 4.0.0.366, whichever matches your release line, or a later version.
  3. Update WSO2 Enterprise Integrator to 6.6.0.224 or a later version.
  4. Read the advisory on security.docs.wso2.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
WSO2WSO2 Micro Integrator4.0.0 up to, but not including, 4.0.0.145; 4.1.0 up to, but not including, 4.1.0.147; 4.2.0 up to, but not including, 4.2.0.141; 4.3.0 up to, but not including, 4.3.0.42; 4.4.0 up to, but not including, 4.4.0.274.0.0.145, 4.1.0.147, 4.2.0.141, 4.3.0.42, 4.4.0.27
WSO2WSO2 API Manager3.1.0 up to, but not including, 3.1.0.345; 3.2.0 up to, but not including, 3.2.0.446; 3.2.1 up to, but not including, 3.2.1.66; 4.0.0 up to, but not including, 4.0.0.366; 4.1.0 up to, but not including, 4.1.0.228; 4.2.0 up to, but not including, 4.2.0.169; 4.3.0 up to, but not including, 4.3.0.81; 4.4.0 up to, but not including, 4.4.0.45; and 1 more ranges3.1.0.345, 3.2.0.446, 3.2.1.66, 4.0.0.366, 4.1.0.228, 4.2.0.169
WSO2WSO2 Enterprise Integrator6.6.0 up to, but not including, 6.6.0.2246.6.0.224
WSO2WSO2 Universal Gateway4.5.0 up to, but not including, 4.5.0.274.5.0.27
WSO2WSO2 API Control Plane4.5.0 up to, but not including, 4.5.0.294.5.0.29
WSO2WSO2 Traffic Manager4.5.0 up to, but not including, 4.5.0.274.5.0.27
WSO2WSO2 Open Banking IAM2.0.0 up to, but not including, 2.0.0.4142.0.0.414
WSO2WSO2 Open Banking AM2.0.0 up to, but not including, 2.0.0.3942.0.0.394
WSO2WSO2 Identity Server as Key Manager5.10.0 up to, but not including, 5.10.0.3655.10.0.365
WSO2org.apache.synapse:synapse-core2.1.7.wso2v227 up to, but not including, 2.1.7.wso2v227_99; 2.1.7.wso2v271 up to, but not including, 2.1.7.wso2v271_88; 2.1.7.wso2v143 up to, but not including, 2.1.7.wso2v143_121; 2.1.7.wso2v319 up to, but not including, 2.1.7.wso2v319_13; 2.1.7.wso2v183 up to, but not including, 2.1.7.wso2v183_72; 4.0.0.wso2v119 up to, but not including, 4.0.0.wso2v119_27; 4.0.0.wso2v20 up to, but not including, 4.0.0.wso2v20_93; 4.0.0.wso2v215 up to, but not including, 4.0.0.wso2v215_26; and 3 more ranges2.1.7.wso2v227_99, 2.1.7.wso2v271_88, 2.1.7.wso2v143_121, 2.1.7.wso2v319_13, 2.1.7.wso2v183_72, 4.0.0.wso2v119_27
WSO2org.apache.synapse:synapse-extensions2.1.7.wso2v227 up to, but not including, 2.1.7.wso2v227_99; 2.1.7.wso2v271 up to, but not including, 2.1.7.wso2v271_88; 2.1.7.wso2v143 up to, but not including, 2.1.7.wso2v143_121; 2.1.7.wso2v319 up to, but not including, 2.1.7.wso2v319_13; 2.1.7.wso2v183 up to, but not including, 2.1.7.wso2v183_72; 4.0.0.wso2v119 up to, but not including, 4.0.0.wso2v119_27; 4.0.0.wso2v20 up to, but not including, 4.0.0.wso2v20_93; 4.0.0.wso2v215 up to, but not including, 4.0.0.wso2v215_26; and 3 more ranges2.1.7.wso2v227_99, 2.1.7.wso2v271_88, 2.1.7.wso2v143_121, 2.1.7.wso2v319_13, 2.1.7.wso2v183_72, 4.0.0.wso2v119_27
WSO2API Control Plane4.5.0 up to, but not including, 4.5.0.294.5.0.29
WSO2API Manager3.1.0 up to, but not including, 3.1.0.345; 3.2.0 up to, but not including, 3.2.0.446; 3.2.1 up to, but not including, 3.2.1.66; 4.1.0 up to, but not including, 4.1.0.228; 4.2.0 up to, but not including, 4.2.0.169; 4.3.0 up to, but not including, 4.3.0.81; 4.4.0 up to, but not including, 4.4.0.45; 4.5.0 up to, but not including, 4.5.0.283.1.0.345, 3.2.0.446, 3.2.1.66, 4.1.0.228, 4.2.0.169, 4.3.0.81
WSO2Enterprise Integrator6.6.0 up to, but not including, 6.6.0.2246.6.0.224
WSO2Micro Integrator4.0.0 up to, but not including, 4.0.0.145; 4.1.0 up to, but not including, 4.1.0.147; 4.2.0 up to, but not including, 4.2.0.141; 4.3.0 up to, but not including, 4.3.0.42; 4.4.0 up to, but not including, 4.4.0.274.0.0.145, 4.1.0.147, 4.2.0.141, 4.3.0.42, 4.4.0.27
WSO2Traffic Manager4.5.0 up to, but not including, 4.5.0.274.5.0.27
WSO2Universal Gateway4.5.0 up to, but not including, 4.5.0.274.5.0.27

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
HighAdministrator-level access is required first.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.4HighCNA
CVSS 3.17.2HighNVD

Official description

An arbitrary code execution vulnerability exists in multiple WSO2 products due to insufficient restrictions in the GraalJS and NashornJS Script Mediator engines. Authenticated users with elevated privileges can execute arbitrary code within the integration runtime environment. By default, access to these scripting engines is limited to administrators in WSO2 Micro Integrator and WSO2 Enterprise Integrator, while in WSO2 API Manager, access extends to both administrators and API creators. This may allow trusted-but-privileged users to perform unauthorized actions or compromise the execution environment.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Control of Generation of Code

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

How developers prevent this class of flaw

  • Refactor your program so that you do not have to dynamically generate code.
  • Run your code in a jail or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product. Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection. This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise. Be careful to avoid CWE-243 and other weaknesses related to jails.
  • Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.

More Improper Control of Generation of Code vulnerabilities (CWE-94)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in WSO2 Micro Integrator

All WSO2 Micro Integrator vulnerabilities

Recent Improper Control of Generation of Code vulnerabilities

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