CVE-2020-14721
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedVulnerability in the Oracle Enterprise Communications Broker product of Oracle Communications Applications (component: WebGUI). Supported versions that are affected are 3.0.0-3.2.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Enterprise Communications Broker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Enterprise Communications Broker accessible data as well as unauthorized read access to a subset of Oracle Enterprise Communications Broker accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Enterprise Communications Broker. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceHTTP-based vulnerability in the WebGUI component of Oracle Enterprise Communications Broker (versions 3.0.0-3.2.0) allows low-privileged attackers with network access to perform unauthorized read, insert, update, and delete operations on a subset of accessible data, plus cause partial denial of service.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data>= 3.0.0, <= 3.2.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed Oracle Enterprise Communications Broker versionLog into the system console or check the software documentation for the installed version number. The version is typically displayed in the system administration interface or can be retrieved via CLI commands documented in the product manual.Affected if The installed version is between 3.0.0 and 3.2.0 inclusive (any version in the range 3.0.0-3.2.0).
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Verify the WebGUI component is enabled and accessibleCheck the system configuration to determine if the WebGUI interface is enabled. This is typically found in the WebGUI service settings, HTTP server configuration, or network service list. Confirm the WebGUI listening port (commonly 443 or 8443) is active.Affected if The WebGUI component is enabled and actively listening on a network port.
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Determine if the WebGUI is exposed to network accessReview firewall rules, access control lists, or network segmentation settings that control access to the WebGUI port. Check whether the WebGUI interface is accessible from outside the local network or from untrusted network segments.Affected if The WebGUI interface is reachable from network locations beyond the trusted internal network, or from low-privilege user accounts.
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Confirm low-privilege account network access to WebGUIVerify whether low-privileged users or unauthenticated network attackers can reach the WebGUI interface over HTTP/HTTPS. Check authentication settings and whether the vulnerability can be triggered without administrator credentials.Affected if Low-privileged users have network access to the WebGUI without requiring elevated privileges.
You are affected if your Oracle Enterprise Communications Broker version is 3.0.0 through 3.2.0 AND the WebGUI component is network-accessible to low-privileged users.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the Oracle patch for CVE-2020-14721 or upgrade to a fixed version. Until then, restrict network access to the WebGUI interface using network segmentation or firewall rules.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2020-14721 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-14721 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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