How severe is CVE-2016-2164?

CVE-2016-2164 has a CVSS score of 7.5/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2016-2164?

CVE-2016-2164 affects the following packages: org.apache.openmeetings:openmeetings-parent (Maven). Ecosystems affected: Maven.

How do I fix CVE-2016-2164?

Update org.apache.openmeetings:openmeetings-parent to 3.1.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-2164 is resolved across your whole dependency graph.

How do I detect CVE-2016-2164 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.openmeetings:openmeetings-parent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2016-2164 if there is no patch (or I can't update yet)?

Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Is CVE-2016-2164 actively exploited in the wild?

No public exploit code has been indexed for CVE-2016-2164 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2016-2164?

CVE-2016-2164 has an EPSS (Exploit Prediction Scoring System) score of 7.0%, placing it in the 94th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2016-2164?

CVE-2016-2164 is classified as Information Exposure (CWE-200). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2016-2164 published, and has it been updated?

CVE-2016-2164 was published on May 14, 2022 and was last updated on November 8, 2023. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

HIGH severity

CVE-2016-2164 — openmeetings-parent

HIGH

CVE-2016-2164 is a high-severity (CVSS 7.5) Information Exposure vulnerability in org.apache.openmeetings:openmeetings-parent. A fix is available for org.apache.openmeetings:openmeetings-parent — see the affected versions and patch details below.

Apache OpenMeetings allows remote attackers to read arbitrary files by attempting to upload a file

Published

May 14, 2022

Updated

Nov 8, 2023

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Oct 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

7.0%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs94th percentile — riskier than 94% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

☕org.apache.openmeetings:openmeetings-parent

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

The (1) FileService.importFileByInternalUserId and (2) FileService.importFile SOAP API methods in Apache OpenMeetings before 3.1.1 improperly use the Java URL class without checking the specified protocol handler, which allows remote attackers to read arbitrary files by attempting to upload a file.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.openmeetings:openmeetings-parent`	all versions	3.1.1`org.apache.openmeetings:openmeetings-parent:3.1.1`

Affected Products

1 product · 1 configurations

Application

openmeetingsapache

≤ 3.1.0

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.openmeetings:openmeetings-parent, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.openmeetings:openmeetings-parent to 3.1.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2016-2164 is resolved across your whole dependency graph.
Workarounds
Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2016-2164 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

7.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE Classification

CWE-200Information Exposure

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

OpenSSF Scorecard

Package health score

openmeetings

4.8/10

Maintained10/10

Code-Review0/10

Branch-Protection3/10

Assessed Oct 26, 2026

Timeline

Disclosed

May 14, 2022

Last updated

Nov 8, 2023

Identifiers

CVE-2016-2164

References

Advisorynvd.nist.gov · CVE 2016 2164 Webapache.org · CHANGELOG Webopenmeetings.apache.org · security Webpacketstormsecurity.com · Apache OpenMeetings 3.0.7 Arbitary File Read Packagegithub.com · openmeetings

Related vulnerabilities

This CVE is high severity; 7 of 8 other CVEs affecting openmeetings-parent are rated as high or higher (top: critical).

CVE-2026-33005CVE-2026-34020CVE-2026-33266CVE-2024-54676CVE-2023-29246CVE-2023-29032CVE-2023-28326CVE-2017-7681

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedNov 8, 2023

CVE-2016-2164 — openmeetings-parent

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2016-2164 in your dependencies?