EUVD Vulnerability Catalog Actively Exploited (KEV)

EUVD-2021-2466

Severity: HIGH Base Score: 8.1 CVSS Version: 3.1

Vulnerability Description

All versions of package ajaxpro.2 are vulnerable to Deserialization of Untrusted Data due to the possibility of deserialization of arbitrary .NET classes, which can be abused to gain remote code execution.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): High

▪ Privileges Required (PR): None

▪ User Interaction (UI): None

▪ Scope (S): Unchanged

▪ Confidentiality Impact (C): High

▪ Integrity Impact (I): High

▪ Availability Impact (A): High

Affected Vendors & Systems

Vendor n/a

References & Advisory Links

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

snyk

EPSS Probability

89.1

Known Aliases

CVE-2021-23758 GHSA-74r6-grj9-8rq6 GHSA-6r7c-6w96-8pvw

Published On

2021-12-03

Last Updated

2026-08-26

Exploited Since

2026-08-26