CVE-2025-9955: An improper access control vulnerability exists in WSO2 Enterprise Integrator product due to insufficient perm

Routine

MEDIUM 5.7DOWNGRADEDOWNGRADE

CVE-2025-9955 is a medium-severity flaw (CVSS 5.7) affecting enterprise integrator, enterprise service bus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An improper access control vulnerability exists in WSO2 Enterprise Integrator product due to insufficient permission restrictions on internal SOAP admin services related to system logs and user-store configuration. A low-privileged user can access log data and user-store configuration details that are not intended to be exposed at that privilege level. While no credentials or sensitive user information are exposed, this vulnerability may allow u

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.7 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-863
Published	2025-10-16
Last modified	2026-10-18

Publisher (CNA): WSO2 LLC · Vendor: wso2

Last updated 2026-10-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-16 13:15 UTCPublished CVE record published
2026-10-18 21:10 UTCUpdated Record last modified

wso2 enterprise integrator DOWNGRADE

Affected: 6.0.0 · 6.1.0 · 6.1.1 · 6.2.0 · 6.3.0 · 6.4.0 · 6.5.0 · 6.6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0.0

1. Check installed version

apt-cache policy enterprise-integrator || rpm -q enterprise-integrator || enterprise-integrator --version

2. No fixed release: DOWNGRADE to a release before 6.0.0 (Debian / Ubuntu)

apt-cache madison enterprise-integrator sudo apt install enterprise-integrator=<VERSION_BEFORE_6.0.0> sudo apt-mark hold enterprise-integrator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list enterprise-integrator sudo dnf downgrade enterprise-integrator-<VERSION_BEFORE_6.0.0> sudo dnf versionlock add enterprise-integrator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

wso2 enterprise service bus DOWNGRADE

Affected: 5.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.0

1. Check installed version

apt-cache policy enterprise-service-bus || rpm -q enterprise-service-bus || enterprise-service-bus --version

2. No fixed release: DOWNGRADE to a release before 5.0.0 (Debian / Ubuntu)

apt-cache madison enterprise-service-bus sudo apt install enterprise-service-bus=<VERSION_BEFORE_5.0.0> sudo apt-mark hold enterprise-service-bus

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list enterprise-service-bus sudo dnf downgrade enterprise-service-bus-<VERSION_BEFORE_5.0.0> sudo dnf versionlock add enterprise-service-bus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-9955?

enterprise integrator: downgrade or apply the listed mitigation; enterprise service bus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-9955 being exploited?

CVE-2025-9955 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-9955 affect?

CVE-2025-9955 affects enterprise integrator, enterprise service bus. Severity is medium (CVSS 5.7). An improper access control vulnerability exists in WSO2 Enterprise Integrator product due to insufficient permission restrictions on internal SOAP admin services related to system logs and user-store configuration. A low-privileged user can

How urgent is CVE-2025-9955?

Priority 23/100. No elevated risk signals yet.

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References

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