- 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.
- Source
- report@snyk.io
- NVD status
- Analyzed
- Products
- ajaxpro.2, ajax.net_professional
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Data from CISA
- Vulnerability name
- Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
- Exploit added on
- Aug 26, 2026
- Exploit action due
- Sep 9, 2026
- Required action
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ajaxpro.2_project:ajaxpro.2:*:*:*:*:*:.net:*:*",
"matchCriteriaId": "0C5825C3-B14F-47EB-9FD9-324A314A5177",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:michaelschwarz:ajax.net_professional:*:*:*:*:*:.net:*:*",
"matchCriteriaId": "3F7FC210-4C84-424D-AE68-BC3DB95F88AA",
"versionEndExcluding": "21.10.30.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]