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CVE-2011-1563

84
FAUCET Score

CVE-2011-1563 describes multiple stack-based buffer overflows in the HMI application of DATAC RealFlex RealWin 2.1 and earlier versions. These vulnerabilities allow unauthenticated remote attackers to execute arbitrary code on affected systems by sending specially crafted packets to port 910, targeting various functions like login and tag management. With a CVSS score of 10.0, this vulnerability is critical, indicating a network-based attack with low complexity and complete compromise of confidentiality, integrity, and availability. While not on the CISA KEV list, exploit modules exist in Metasploit and ExploitDB, suggesting readily available tools for exploitation, despite a lack of public discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1CPE matchmatch criteria
cpe:2.3:a:realflex:realwin:*:*:*:*:*:*:*:*
1.06CPE matchmatch criteria
cpe:2.3:a:realflex:realwin:1.06:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:realflex:realwin:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
74.64%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: DATAC RealWin SCADA Server 2 On_FC_CONNECT_FCS_a_FILE Buffer Overflow · Mar 21, 2011
ExploitDB: EDB-17025 · Mar 22, 2011
This CVE's current EPSS score of 0.7464 is in the 99th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

aluigi.org / adv/realwin_2-adv.txt
Exploit
aluigi.org / adv/realwin_3-adv.txt
Exploit
aluigi.org / adv/realwin_4-adv.txt
Exploit
aluigi.org / adv/realwin_5-adv.txt
Exploit
aluigi.org / adv/realwin_7-adv.txt
Exploit
aluigi.org / adv/realwin_8-adv.txt
Exploit
secunia.com / advisories/43848
Vendor Advisory
securityreason.com / securityalert/8176
exploit-db.com / exploits/17025
Exploit
securityfocus.com / bid/46937
us-cert.gov / control_systems/pdf/ICS-ALERT-11-080-04.pdf
US Government Resource
vupen.com / english/advisories/2011/0742
Vendor Advisory