Vulnerability Intelligence Report
Deserialization of Untrusted Data
CVE-2021-23758
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:89.10%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)
CWE-502 ↗CWE-502 Deserialization of Untrusted Data
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| n/a | AjaxPro.2 | 0 < unspecified (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Snyk · Open Source · UK |
| Reserved | 2021-01-08T00:00:00 |
| Published | 2021-12-03T20:05:12 |
| Patch Date | 2021-12-03 |
| Last Updated | 2026-08-27T03:56:43 |
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