Is CVE-2020-36640 actively exploited?

No active exploitation of CVE-2020-36640 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-36640 be exploited remotely?

Yes. CVE-2020-36640 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-36640?

CVE-2020-36640 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-36640

CRITICAL

CVE-2020-36640

CWE-611Published: January 5, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability, which was classified as problematic, was found in bonitasoft bonita-connector-webservice up to 1.3.0. This affects the function TransformerConfigurationException of the file src/main/java/org/bonitasoft/connectors/ws/SecureWSConnector.java. The manipulation leads to xml external entity reference. Upgrading to version 1.3.1 is able to address this issue. The patch is named a12ad691c05af19e9061d7949b6b828ce48815d5. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217443.

NVD Source

Risk Analysis

This vulnerability in the Bonitasoft web service connector allows for XML External Entity (XXE) injection. This critical flaw could allow an attacker to access sensitive data or perform unauthorized actions remotely.

There is no public exploit status for this vulnerability, and it is not tracked in the CISA KEV. It is remotely exploitable with low complexity.

Recommended Action

Upgrade the affected component to version 1.3.1 or later to resolve the vulnerability.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-36640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.