# CVE-2021-30179: Deserialization of Untrusted Data in Apache Dubbo

Source: https://junglewise.ai/threats/cve-2021-30179-deserialization-of-untrusted-data-in-apache-dubbo  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-18  
License: CC BY 4.0 with a link back

CVE-2021-30179 · Severity: low · CVSS 3.1 · Published 2022-03-18

Deserialization of Untrusted Data in Apache Dubbo

Technologies: [com.alibaba:dubbo (Maven)](https://junglewise.ai/threats/technologies/com-alibaba-dubbo), [org.apache.dubbo:dubbo (Maven)](https://junglewise.ai/threats/technologies/org-apache-dubbo-dubbo). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2021-30179 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-30179 being exploited in the wild.

**How severe is CVE-2021-30179?** Low severity, with a CVSS score of 3.1, published 18 March 2022.

**Which products and versions are affected?** com.alibaba:dubbo (Maven) ECOSYSTEM:introduced=2.5.0,fixed=2.6.9; org.apache.dubbo:dubbo (Maven) ECOSYSTEM:introduced=2.5.0,fixed=2.7.10.

**Is there a fix for CVE-2021-30179?** Yes. com.alibaba:dubbo (Maven): upgrade to 2.6.9 or later; org.apache.dubbo:dubbo (Maven): upgrade to 2.7.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-30179?** Check whether you run com.alibaba:dubbo (Maven) or org.apache.dubbo:dubbo (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- com.alibaba:dubbo (Maven): upgrade to 2.6.9 or later

  ```sh
  # set com.alibaba:dubbo to 2.6.9 in your pom.xml or build.gradle
  ```

- org.apache.dubbo:dubbo (Maven): upgrade to 2.7.10 or later

  ```sh
  # set org.apache.dubbo:dubbo to 2.7.10 in your pom.xml or build.gradle
  ```


## Affected products

- com.alibaba:dubbo (Maven) ECOSYSTEM:introduced=2.5.0,fixed=2.6.9
- org.apache.dubbo:dubbo (Maven) ECOSYSTEM:introduced=2.5.0,fixed=2.7.10

## Identifiers

- CVE-2021-30179
- GHSA-5mc7-m686-p6jg

## Related threats

- [Bypass serialize checks in Apache Dubbo](https://junglewise.ai/threats/cve-2023-29234-bypass-serialize-checks-in-apache-dubbo)
- [Apache Dubbo: Bypass deny serialize list check in Apache Dubbo](https://junglewise.ai/threats/cve-2023-46279-apache-dubbo-bypass-deny-serialize-list-check-in-apache-dubbo)
- [Apache Dubbo vulnerable to Deserialization of Untrusted Data](https://junglewise.ai/threats/cve-2023-23638-apache-dubbo-vulnerable-to-deserialization-of-untrusted-data)
- [Hessian Lite for Apache Dubbo deserialization vulnerability](https://junglewise.ai/threats/cve-2022-39198-hessian-lite-for-apache-dubbo-deserialization-vulnerability)
- [Server-side request forgery in Apache Dubbo](https://junglewise.ai/threats/cve-2022-24969-server-side-request-forgery-in-apache-dubbo)