CVE-2011-1564
CVE-2011-1564 is a critical-severity vulnerability in Realflex Realwin with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.
Key facts
- Severity: Critical (CVSS 2.0 base score 10.0)
- EPSS exploit prediction: 19% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-189
- Affected product: Realflex Realwin
- Published:
- Last modified:
Description
Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via crafted (1) On_FC_MISC_FCS_MSGBROADCAST and (2) On_FC_MISC_FCS_MSGSEND packets, which trigger a heap-based buffer overflow.
Frequently asked questions
- What is CVE-2011-1564?
- Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via crafted (1) On_FC_MISC_FCS_MSGBROADCAST and (2) On_FC_MISC_FCS_MSGSEND packets, which trigger a heap-based buffer overflow.
- How severe is CVE-2011-1564?
- CVE-2011-1564 has a CVSS 2.0 base score of 10.0, rated critical severity.
- Is CVE-2011-1564 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1564?
- CVE-2011-1564 primarily affects Realflex Realwin. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1564?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2011-1564 published?
- CVE-2011-1564 was published on 2011-04-05 and last updated on 2026-06-16.
References
- http://aluigi.org/adv/realwin_6-adv.txt
- http://secunia.com/advisories/43848
- http://securityreason.com/securityalert/8177
- http://www.exploit-db.com/exploits/17025
- http://www.securityfocus.com/bid/46937
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
- http://www.vupen.com/english/advisories/2011/0742
Affected products (3)
- cpe:2.3:a:realflex:realwin:*:*:*:*:*:*:*:*
- cpe:2.3:a:realflex:realwin:1.06:*:*:*:*:*:*:*
- cpe:2.3:a:realflex:realwin:2.0:*:*:*:*:*:*:*
More vulnerabilities in Realflex Realwin
- CVE-2011-1563 — Critical (CVSS 10.0): Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and…
- CVE-2010-4142 — Critical (CVSS 10.0): Multiple stack-based buffer overflows in DATAC RealWin 2.0 Build 6.1.8.10 and earlier allow remote attackers to cause a…
- CVE-2012-3004 — Medium (CVSS 6.9): Multiple untrusted search path vulnerabilities in RealFlex RealWin before 2.1.13, FlexView before 3.1.86, and…
All CVEs affecting Realflex Realwin →
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- CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
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