CVE-2011-0340

highpriority · attend · 58EPSS 0.323 · 98 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
2 exploits · functional
Likely / severe?
32.3% (98th) EPSS
CVSS 9.3 · high
Is it mine?
13 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Multiple buffer overflows in the ISSymbol ActiveX control in ISSymbol.ocx 61.6.0.0 and 301.1009.2904.0 in the ISSymbol virtual machine, as distributed in Advantech Studio 6.1 SP6 61.6.01.05, InduSoft Web Studio before 7.0+SP1, and InduSoft Thin Client 7.0, allow remote attackers to execute arbitrary code via a long (1) InternationalOrder, (2) InternationalSeparator, or (3) LogFileName property value; or (4) a long bstrFileName argument to the OpenScreen method.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • MitigationAdvantech ISSymbol ActiveX Controlcisa_csaf_ot

    Advantech recommends that users of Advantech Studio Version 6.1 and earlier versions upgrade to the new version, Advantech Studio 7.0. Customers should contact their authorized Advantech distributor or their Advantech account manager to discuss the transition plan to Advantech Studio 7.0. Advantech further recommends that users affected by this announcement read the customer notice found at the following link: (http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm).

    http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm
  • MitigationAdvantech Studiocisa_csaf_ot

    Advantech recommends that users of Advantech Studio Version 6.1 and earlier versions upgrade to the new version, Advantech Studio 7.0. Customers should contact their authorized Advantech distributor or their Advantech account manager to discuss the transition plan to Advantech Studio 7.0. Advantech further recommends that users affected by this announcement read the customer notice found at the following link: (http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm).

    http://www.advantechdirect.com/eMarketingPrograms/AStudio_Patch/AStudio7.0_Patch_Final.htm
  • MitigationISSymbol ActiveX Controlcisa_csaf_ot

    NOTE: Users will be required to email InduSoft support to acquire the hotfix. The link on the InduSoft Web site will automatically draft an email to Support with a request.

  • MitigationThin Clientcisa_csaf_ot

    NOTE: Users will be required to email InduSoft support to acquire the hotfix. The link on the InduSoft Web site will automatically draft an email to Support with a request.

  • MitigationWeb Studiocisa_csaf_ot

    NOTE: Users will be required to email InduSoft support to acquire the hotfix. The link on the InduSoft Web site will automatically draft an email to Support with a request.

02

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

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10
v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Psecondary · CISA US
v2.08.8highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Fsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimaryCWE-119USCWE-122US
04

exploits (2)

Public proof-of-concept and weaponised exploit code.

05

affected products (13)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • ICSA-12-137-02Advantech Studio ISSymbol ActiveX Buffer Overflow2012-02-17icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

  • ICSA-12-249-03InduSoft ISSymbol ActiveX Control Buffer Overflow2012-06-09icsa · cisa_csaf_otUS

    This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdNVDCVE.orgMITRE
published 2011-05-04modified 2026-06-16
10

references (25)

External citations — patches, advisories, analysis.

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