CVE-2011-1564
Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10)...
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.
Exploit likelihood
What each source reports
NVD Score used
10.0
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.
- Record
CVE-2011-1564- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-1564- Updated
- 2026-11-02
EUVDEUVD-2011-1565 No score
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.
- Record
EUVD-2011-1565- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q9fp-549g-2f87 No score
Multiple integer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10)...
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.
- Record
GHSA-q9fp-549g-2f87- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | DATAC RealWin - Multiple Vulnerabilities | 2011-03-22 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1564 is a high vulnerability (CVSS 10.0) in Realflex Realwin, published April 5, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.6%, the 97th percentile. No source names a fixed version.
References
securityfocus.com/bid/46937
securityreason.com/securityalert/8177
aluigi.org/adv/realwin_6-adv.txt
us-cert.gov/control_systems/pdf/ICS-ALERT-11-080-04.pdf
exploit-db.com/exploits/17025
secunia.com/advisories/43848
vupen.com/english/advisories/2011/0742
nvd.nist.gov/vuln/detail/CVE-2011-1564
github.com/advisories/GHSA-q9fp-549g-2f87