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Public proof of conceptFix available

CVE-2019-17564

A public proof of concept exists; no exploitation attested.

  • Published2020-04-01
  • WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Unsafe deserialization occurs within a Dubbo application which has HTTP remoting enabled. An attacker may submit a POST request with a Java object in it to completely compromise a Provider instance of Apache Dubbo, if this instance enables HTTP. This issue affected Apache Dubbo 2.7.0 to 2.7.4, 2.6.0 to 2.6.7, and all 2.5.x versions.

Timeline

dates in UTC
  1. 2020-04-0122:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-17564?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-17564?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Apache dubbo
BranchAffectedFixed in
2.5≥ 2.5.0, ≤ 2.5.10no fix published
2.6≥ 2.6.0, ≤ 2.6.7no fix published
2.7≥ 2.7.0, ≤ 2.7.4no fix published
dubbo-rpc-http-invoker
BranchAffectedFixed in
2.x≥ 2.5.0, < 2.7.52.7.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
7 repositories, unverifiedr00t4dm/CVE-2019-17564Jaky5155/CVE-2019-17564Hu3sky/CVE-2019-17564Exploit-3389/CVE-2019-17564Dor-Tumarkin/CVE-2019-17564-FastJson-Gadget
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-04-01
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-69wp-3pm3-hxgg

Frequently asked questions

What is CVE-2019-17564?

Unsafe deserialization occurs within a Dubbo application which has HTTP remoting enabled. An attacker may submit a POST request with a Java object in it to completely compromise a Provider instance of Apache Dubbo, if this instance enables HTTP. This issue affected Apache Dubbo 2.7.0 to 2.7.4, 2.6.0 to 2.6.7, and all 2.5.x versions.

Is CVE-2019-17564 actively exploited?

Active exploitation of CVE-2019-17564 has not been confirmed. Its EPSS score was 36.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-17564?

CVE-2019-17564 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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