CVE-2014-0257

highpriority · attend · 71EPSS 0.698 · 99 %ileexploit · weaponizedEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · weaponized

Likely / severe?

69.8% (99th) EPSS

CVSS 9.3 · high

Is it mine?

17 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka "Type Traversal Vulnerability."

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.3–9.3

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.09.3criticalAV:N/AC:M/Au:N/C:C/I:C/A:Csecondary · FSTEC (BDU) RU

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

exploits (2)

Public proof-of-concept and weaponised exploit code.

exploit/windows/local/ms14_009_ie_dfsvcMS14-009 .NET Deployment Service IE Sandbox Escapeweaponized · metasploit
EDB-33892Microsoft .NET Deployment Service - IE Sandbox Escape (MS14-009) (Metasploit)functional · exploit_db

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Microsoft Corp Microsoft .NET Framework 1.0 Service Pack 3all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 1.1 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 2.0 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 3.5.1all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.0all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.5all versionsfstec_bduRU
Microsoft Corp Microsoft .NET Framework 4.5.1all versionsfstec_bduRU
microsoft .net framework= 1.0nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 1.1nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 2.0nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 3.5nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 3.5.1nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 4.0nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 4.5nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*
microsoft .net framework= 4.5.1nvdUScpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2014-02-12modified 2026-06-17

related (25,176)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-88771US	critical9.8OT critical	82.2% (100th)	KEV	2026-09-27
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS,…
CVE-2026-93952US	—OT critical	1.38% (72nd)	KEV	2026-09-22
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successf…
CVE-2026-12569US	critical9.8OT critical	46.0% (99th)	KEV	2026-06-18
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of u…
CVE-2026-34910US	—OT critical	90.0% (100th)	KEV	2026-05-22
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
CVE-2026-6973US	—OT critical	34.5% (98th)	KEV	2026-05-07
An Improper Input Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remotely authenticated user with administrative access to achieve remote code…

+25171 more

references (17)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan