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TI-2020-01872 Aliases CVE-2020-1948GHSA-whww-v56c-cgv2

Deserialization of untrusted data in Apache Dubbo

Priority MEDIUM 59CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

This vulnerability can affect all Dubbo users stay on version 2.7.6 or lower. An attacker can send RPC requests with unrecognized service name or method name along with some malicious parameter payloads. When the malicious parameter is deserialized, it will execute some malicious code. More details can be found below.

Why it matters now

EPSS 0.16441 97th percentileScored 2026-11-07
Fix Fixed org.apache.dubbo:dubbo (Maven): 2.7.7org.apache.dubbo:dubbo-common (Maven): 2.7.7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Apache DubboApache Dubbo 2.5.x, 2.6.0 to 2.6.8, 2.7.0 to 2.7.7—No fix listedCNA
—org.apache.dubbo:dubbo (Maven)before 2.7.72.7.7Patch availableGHSA-whww-v56c-cgv2
—org.apache.dubbo:dubbo-common (Maven)before 2.7.72.7.7Patch availableGHSA-whww-v56c-cgv2
  • Apache Dubbo Vendor— Affected Apache Dubbo 2.5.x, 2.6.0 to 2.6.8, 2.7.0 to 2.7.7 Fixed in — No fix listed CNA
  • org.apache.dubbo:dubbo (Maven) Vendor— Affected before 2.7.7 Fixed in 2.7.7 Patch available GHSA-whww-v56c-cgv2
  • org.apache.dubbo:dubbo-common (Maven) Vendor— Affected before 2.7.7 Fixed in 2.7.7 Patch available GHSA-whww-v56c-cgv2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:*2.5.0 – 2.5.10; 2.6.0 – 2.6.7; 2.7.0 – 2.7.6VulnerableApache
  • cpe:2.3:a:apache:dubbo:*:*:*:*:*:*:*:* Versions 2.5.0 – 2.5.10; 2.6.0 – 2.6.7; 2.7.0 – 2.7.6 Vulnerable ·Apache

Remediation

  • Fix · GHSA-whww-v56c-cgv2 org.apache.dubbo:dubbo (Maven) Fixed in 2.7.7 Advisory →
  • Fix · GHSA-whww-v56c-cgv2 org.apache.dubbo:dubbo-common (Maven) Fixed in 2.7.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1948
  2. 2026-10-03 Alias added: GHSA-whww-v56c-cgv2

References

  • TI-2021-12489 Regular expression Denial of Service in MooTools CVSS 3.1CRITICAL 9.8
  • TI-2021-10721 Apache Dubbo RCE on customers via Script route poisoning (Nashorn script injection) CVSS 3.1CRITICAL 9.8
  • TI-2021-10720 Apache Dubbo RCE on customers via Condition route poisoning (Unsafe YAML unmarshaling) CVSS 3.1CRITICAL 9.8
  • TI-2019-13107 Deserialization of untrusted data in Apache Dubbo CVSS 3.1CRITICAL 9.8
  • TI-2021-07774 Dubbo Zookeeper does not check serialization id CVSS 3.1CRITICAL 9.8
  • TI-2021-19290 Dubbo Hessian cause RCE when parse error CVSS 3.1CRITICAL 9.8
See all 18 →

Sources