CVE-2011-0342 — Multiple buffer overflows in the InduSoft ISSymbol ActiveX control in ISSymbol.ocx 301.1104.601.0 in InduSoft Web Studio 7.0B2 hotfix 7.0.01.04 allow remote attackers to execute arbitrary code via a long parameter to the (1) Open, (2) Close, or (3) SetCurrentLanguage method

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HIGH

Multiple buffer overflows in the InduSoft ISSymbol ActiveX control in ISSymbol.ocx 301.1104.601.0 in InduSoft Web Studio 7.0B2 hotfix 7.0.01.04 allow remote attackers to execute arbitrary code via a long parameter to the (1) Open, (2) Close, or (3) SetCurrentLanguage method

Published Sep 2, 2011

10.0

HIGH

CVSS 2.0

EPSS 5.92%

Description

Multiple buffer overflows in the InduSoft ISSymbol ActiveX control in ISSymbol.ocx 301.1104.601.0 in InduSoft Web Studio 7.0B2 hotfix 7.0.01.04 allow remote attackers to execute arbitrary code via a long parameter to the (1) Open, (2) Close, or (3) SetCurrentLanguage method.

Affected products

Remediation

No remediation recorded yet.

Metrics

5.92% 0.05922

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.05922

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	5.92% (0.05922)	93.02th	v5 (v2026.06.15)
Jun 15, 2026	5.92% (0.05922)	92.28th	v5 (v2026.06.15)
Oct 7, 2025	7.35% (0.07347)	91.32th	v4 (v2025.03.14)
Jul 24, 2025	9.34% (0.09337)	92.39th	v4 (v2025.03.14)
Mar 17, 2025	10.83% (0.10828)	92.83th	v4 (v2025.03.14)
Dec 12, 2024	5.95% (0.05947)	93.74th	v3 (v2023.03.01)
Jun 11, 2024	5.95% (0.05947)	93.47th	v3 (v2023.03.01)
Mar 2, 2024	6.47% (0.06470)	93.52th	v3 (v2023.03.01)
Mar 7, 2023	5.96% (0.05955)	92.29th	v3 (v2023.03.01)
Mar 6, 2023	6.52% (0.06523)	91.37th	v2 (v2022.01.01)
Apr 1, 2022	6.52% (0.06523)	90.53th	v2 (v2022.01.01)
Feb 4, 2022	6.52% (0.06523)	78.43th	v2 (v2022.01.01)

Weaknesses (1)

CWE-119

Buffer Overflow

References (5)

http://ics-cert.us-cert.gov/advisories/ICSA-11-273-02
x_refsource_MISC
http://secunia.com/advisories/44875
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://secunia.com/secunia_research/2011-61/
x_refsource_MISCVendor Advisory
http://www.indusoft.com/hotfixes/hotfixes.php
x_refsource_CONFIRM
http://www.securityfocus.com/bid/49403
vdb-entryx_refsource_BID

Link	Providers	Tags
http://ics-cert.us-cert.gov/advisories/ICSA-11-273-02		x_refsource_MISC
http://secunia.com/advisories/44875		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://secunia.com/secunia_research/2011-61/		x_refsource_MISCVendor Advisory
http://www.indusoft.com/hotfixes/hotfixes.php		x_refsource_CONFIRM
http://www.securityfocus.com/bid/49403		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner flexera

Published Sep 2, 2011

Updated Aug 6, 2024

Reserved Jan 6, 2011

Link CVE-2011-0342

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2011-0342

Red Hat

Severity n/a

Public date n/a

Links CVE-2011-0342