CVE-2020-36640

bonitasoft bonita-connector-webservice SecureWSConnector.java TransformerConfigurationException xml external entity reference

5.5 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.84%Down 0.1 points since Jan 6, 2023

What each source reports

CVE List Score used 5.5

bonitasoft bonita-connector-webservice SecureWSConnector.java TransformerConfigurationException xml external entity reference

Record: CVE-2020-36640
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0: 4.9 AV:A/AC:M/Au:S/C:P/I:P/A:P
Weakness: CWE-611
Updated: 2026-11-02

EUVDEUVD-2023-0573 5.5

Record: EUVD-2023-0573
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wg99-5vrx-j2gg 9.8

bonita-connector-webservice XML External Entity vulnerability

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 can address this issue. The name of the patch is a12ad691c05af19e9061d7949b6b828ce48815d5. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217443.

Record: GHSA-wg99-5vrx-j2gg
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-611
Updated: 2026-11-02

NVD 5.5

Record: CVE-2020-36640
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.9 MediumAV:A/AC:M/Au:S/C:P/I:P/A:P
Weakness: CWE-611
Updated: 2026-11-02

OSV 9.8

Record: CVE-2020-36640
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-wg99-5vrx-j2gg 9.8

bonita-connector-webservice XML External Entity vulnerability

Record: GHSA-wg99-5vrx-j2gg
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-611
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.bonitasoft.connectors:bonita-connector-webservice` Maven	before 1.3.1	1.3.1

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-36640 is a medium vulnerability (CVSS 5.5) in Bonitasoft Bonita-connector-webservice, published January 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. Fixed in org.bonitasoft.connectors:bonita-connector-webservice 1.3.1.