CVE-2011-0340

Exp

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.

Published: 2011-05-04 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0340 is rated High Exploit Risk (83.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 44.86%, 97th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-0340

EDB-ID Source Kind Published Link
23500 exploit_db edb 2012-12-20 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-0340

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-11 47.35% 44.86% -2.49%
2 2025-08-21 49.38% 47.35% -2.03%
3 2025-06-08 — 49.38% —

Full EPSS history (23 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0340

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2011-0340

Affected software / configurations for CVE-2011-0340

Vendor Product Version Raw CPE
advantech advantech_studio 6.1 cpe:2.3:a:advantech:advantech_studio:6.1:sp6_61.6.01.05:*:*:*:*:*:*
indusoft thin_client 7.0 cpe:2.3:a:indusoft:thin_client:7.0:*:*:*:*:*:*:*
indusoft web_studio <= 7.0 cpe:2.3:a:indusoft:web_studio:*:*:*:*:*:*:*:*
indusoft web_studio 6.1 cpe:2.3:a:indusoft:web_studio:6.1:*:*:*:*:*:*:*
indusoft web_studio 6.1 cpe:2.3:a:indusoft:web_studio:6.1:sp6:*:*:*:*:*:*

References for CVE-2011-0340

cvelogic Threat Intelligence