Brand
Ajax.NET Professional: actively exploited vulnerabilities
1 vulnerability in a Ajax.NET Professional product (Ajax.NET Professional) is in CISA’s catalog of exploited vulnerabilities. It was added on August 26, 2026.
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1 vulnerability added in the last 12 months
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1 exploited vulnerability in the catalog, in total
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0 added in the last 30 days
By category
Add just one Ajax.NET Professional category to your radar, or open its page.
- Frameworks and libraries 1 vulnerability
A high count also reflects how widely a product is deployed and how much attackers care about it: it is not a security rating.
Affected products
- Ajax.NET Professional 1 vulnerability · Frameworks
Name used by CISA: Ajax.NET Professional. Product families: indicative classification by this site.
Patch first
In the order of the main list (Patch first): recent additions first, then the most severe. The number is the rank within this Ajax.NET Professional list.
Rank 1Ajax.NET Professional
CVE-2021-23758CVE from 2021, added in 2026
Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
Added in the last 12 months: ranked by severity.
- Added
- Aug 26, 2026
- CISA deadline
- 14 days
- CVSS severity
- 9.8 (critical)
Follow and verify
Indicative classification, based on the vendor and product names given by CISA. How products are classified.