ONC code-validator-api up to 1.0.30 XML CodeValidatorApiConfiguration.java vocabularyValidationConfigurations xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in ONC code-validator-api up to 1.0.30 (Automation Software). This vulnerability affects the function vocabularyValidationConfigurations of the file src/main/java/org/sitenv/vocabularies/configuration/CodeValidatorApiConfiguration.java of the component XML Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The software processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 12/29/2022 as 97. The advisory is available at github.com. This vulnerability was named CVE-2021-4295. Technical details are known, but there is no available exploit.

Upgrading to version 1.0.31 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch fbd8ea121755a2d3d116b13f235bc8b61d8449af is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulDB): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Xml external entity reference
CWE: CWE-611 / CWE-610
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: code-validator-api 1.0.31
Patch: fbd8ea121755a2d3d116b13f235bc8b61d8449af


12/29/2022 Advisory disclosed
12/29/2022 +0 days CVE reserved
12/29/2022 +0 days VulDB entry created
01/26/2023 +28 days VulDB last update


Advisory: 97
Status: Confirmed

CVE: CVE-2021-4295 (🔒)


Created: 12/29/2022 09:13 AM
Updated: 01/26/2023 03:34 AM
Changes: 12/29/2022 09:13 AM (46), 01/26/2023 03:27 AM (2), 01/26/2023 03:34 AM (21)
Complete: 🔍


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