CVE-2011-0340: advantech advantech_studio
Vulnerability summary
CVE-2011-0340 is a high (CVSS 9.3) vulnerability in advantech advantech_studio. EPSS estimates a 32.35% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 04-05-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
32.35%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 32.35% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundInduSoft Web Studio - 'ISSymbol.ocx InternationalSeparator()' Heap Overflow (Metasploit)
Maturity: weaponized
InduSoft Web Studio ISSymbol.ocx InternationalSeparator() Heap Overflow
exploit/windows/browser/indusoft_issymbol_internationalseparator
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Indusoft2 products
- thin_client7.0
- web_studio≤ 7.0 | 6.1 | 6.1:sp6
Advantech1 product
- advantech_studio6.1:sp6_61.6.01.05
2 vendors · 3 products
References
11 links- ics-cert.us-cert.gov/advisories/ICSA-12-249-03X Refsource MISC
- www.us-cert.gov/control_systems/pdf/ICSA-12-137-02.pdfX Refsource MISC
- www.indusoft.com/hotfixes/hotfixes.phpX Refsource CONFIRM