HIGHCVSS 8.1Actively exploited · CISA KEV since 2026-08-26Vulnerability
CVE-2021-23758
Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for remote code execution via arbitrary .NET classes. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Properties
- Euvd product
- AjaxPro.2
- Vulnerability name
- Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
- First seen
- 2026-08-27T03:56:43+00:00
- Cvss score
- 8.1
- Epss score
- 0.82578
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-09-09
- Euvd assigner
- snyk
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2026-08-26T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-08-26
- Euvd base score version
- 3.1
- Score
- 8.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 8.1
- Vendor project
- Ajax.NET Professional
Related Entities (6)
AFFECTS_PRODUCT (2)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
MENTIONED_IN (1)
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