CVE-2021-23758 (GCVE-0-2021-23758)
Vulnerability from cvelistv5 – Published: 2021-12-03 20:05 – Updated: 2026-08-27 03:56
VLAI
EPSS
VEX
Title
Deserialization of Untrusted Data
Summary
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.
Severity
8.1 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 00:00 UTC
CWE
- Deserialization of Untrusted Data
- CWE-502 - Deserialization of Untrusted Data
Assigner
snyk
CNA
References
5 references
Impacted products
Date Public
2021-12-03 00:00
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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