DubboApplication · Apache
CVE-2023-29234
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 · uneditedA deserialization vulnerability existed when decode a malicious package.This issue affects Apache Dubbo: from 3.1.0 through 3.1.10, from 3.2.0 through 3.2.4. Users are recommended to upgrade to the latest version, which fixes the issue.
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 confidenceApache Dubbo contains a deserialization vulnerability that allows remote code execution when decoding a maliciously crafted package. The vulnerability exists in Dubbo versions 3.1.0-3.1.10 and 3.2.0-3.2.4, stemming from unsafe deserialization of network data.
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
DubboApplication
>= 3.1.0, <= 3.1.10>= 3.2.0, <= 3.2.4CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 installed Apache Dubbo versionCheck your project pom.xml for dubbo.version, or run: grep -r 'dubbo' pom.xml | grep version. For deployed applications, check the Dubbo JAR metadata in the lib or WEB-INF/lib directory.Affected if The installed version falls within 3.1.0-3.1.10 or 3.2.0-3.2.4
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Determine if Dubbo network exposure is enabledReview your Dubbo configuration files (application.yml, application.properties, or dubbo.properties) for protocol settings. Look for dubbo.protocol.name and dubbo.protocol.port settings, or any @DubboService annotations exposing network ports.Affected if Any Dubbo protocol (dubbo, http, hessian, rest, etc.) is configured and exposed on a network-accessible port
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Verify if native Dubbo serialization is in useCheck for the presence of dubbo.protocol.serialization in your configuration, or inspect the interfaces annotated with @DubboService or @Reference to see if they use Java serialization or Hessian. Default configurations use Dubbo's native serialization which is vulnerable.Affected if Java serialization, Hessian, or Dubbo's native serialization is configured (or not explicitly set to a safe alternative like Avro, Protobuf, or Fastjson with safe mode)
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.
dbcve · scopedUpgrade Apache Dubbo to the latest version to patch the deserialization vulnerability. Prioritize this critical fix given the CVSS 9.8 score and potential for unauthenticated remote code execution.
Upgrade to Dubbo 3.2.5 or later (or the corresponding latest 3.1.x release beyond 3.1.10)
- 1. Identify your current Apache Dubbo version by checking your project's dependency management (Maven pom.xml, Gradle build file, or runtime configuration).
- 2. Review the Apache Dubbo security advisory for CVE-2023-29234 at the official Apache Dubbo security page or Apache mailing list archives to confirm the exact fixed release version.
- 3. Update the Dubbo dependency version in your build configuration to the fixed release (for 3.1.x line: version > 3.1.10; for 3.2.x line: version >= 3.2.5).
- 4. Rebuild and test your application to verify the upgrade does not introduce regressions.
- 5. Deploy the updated application to production environments.
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Dubbo
Scoped from the published advisory
- Consultation3.0 h
- Implementation2.0 h
- Testing6.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,552.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-29234 — 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-2023-29234 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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- Version or environment caveats, and links to real fixes
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