01 Record

CVE-2008-3843

Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 21.99% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 97.4% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2008-08-27 20:00Z18 YR AGO

Last updated

2024-08-07 09:53Z2 YR AGO

Reserved

2008-08-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

6e26a9d69dfd0501b94b8ad092ecd08da670d850b76127f676ab81f82a76ab4d

05 Affected products

VendorProductVersionsPlatforms

microsoft.net_frameworkNot specified—

microsoftwindows-ntNot specified—

microsoftwindows_2000Not specified—

microsoftwindows_vistaNot specified—

microsoftwindows_xpNot specified—

06 References

www.securityfocus.com20080908 Re: [WEB SECURITY] PR08-20: Bypassing ASP .NET "ValidateRequest" for Script Injection Attackshttp://www.securityfocus.com/archive/1/496071/100/0/threadedmailing-listx_refsource_BUGTRAQ
exchange.xforce.ibmcloud.comasp-validaterequestfilter-xss(44743)https://exchange.xforce.ibmcloud.com/vulnerabilities/44743vdb-entryx_refsource_XF
www.procheckup.comhttp://www.procheckup.com/PDFs/bypassing-dot-NET-ValidateRequest.pdfx_refsource_MISC
securityreason.com4193http://securityreason.com/securityalert/4193third-party-advisoryx_refsource_SREASON
www.securityfocus.com20080821 PR08-20: Bypassing ASP .NET "ValidateRequest" for Script Injection Attackshttp://www.securityfocus.com/archive/1/495667/100/0/threadedmailing-listx_refsource_BUGTRAQ
www.procheckup.comhttp://www.procheckup.com/Vulnerability_PR08-20.phpx_refsource_MISC