HIGH
Core Server HMI Service (Coreservice.exe) in Scadatec Limited Procyon SCADA 1.06, and other versions before 1.14, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long password to the Telnet (TCP/23) port, which triggers an out-of-bounds read or write, leading to a stack-based buffer overflow
Published Sep 15, 2011
10.0
HIGHCVSS 2.0
EPSS 64.65%
Description
Core Server HMI Service (Coreservice.exe) in Scadatec Limited Procyon SCADA 1.06, and other versions before 1.14, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long password to the Telnet (TCP/23) port, which triggers an out-of-bounds read or write, leading to a stack-based buffer overflow.
Affected products
No data.
OR
- 1.06
- 1.13
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
64.65% 0.64653
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.64653
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 (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 64.65% (0.64653) | 99.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 65.31% (0.65312) | 99.15th | v5 (v2026.06.15) |
| May 25, 2026 | 71.59% (0.71586) | 98.75th | v4 (v2025.03.14) |
| Mar 17, 2026 | 74.53% (0.74533) | 98.83th | v4 (v2025.03.14) |
| Jan 2, 2026 | 78.21% (0.78209) | 98.98th | v4 (v2025.03.14) |
| Aug 1, 2025 | 79.23% (0.79226) | 99.03th | v4 (v2025.03.14) |
| Apr 25, 2025 | 77.67% (0.77666) | 98.91th | v4 (v2025.03.14) |
| Mar 30, 2025 | 75.05% (0.75051) | 98.80th | v4 (v2025.03.14) |
| Mar 29, 2025 | 79.89% (0.79886) | 98.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 75.05% (0.75051) | 98.80th | v4 (v2025.03.14) |
| Dec 17, 2024 | 91.07% (0.91074) | 99.12th | v3 (v2023.03.01) |
| Dec 12, 2024 | 93.43% (0.93431) | 99.20th | v3 (v2023.03.01) |
| Oct 1, 2024 | 93.96% (0.93964) | 99.21th | v3 (v2023.03.01) |
| May 5, 2024 | 95.29% (0.95287) | 99.33th | v3 (v2023.03.01) |
| Mar 15, 2024 | 96.38% (0.96377) | 99.52th | v3 (v2023.03.01) |
| Nov 28, 2023 | 96.81% (0.96814) | 99.60th | v3 (v2023.03.01) |
| Oct 4, 2023 | 96.79% (0.96789) | 99.55th | v3 (v2023.03.01) |
| Jun 14, 2023 | 96.84% (0.96836) | 99.50th | v3 (v2023.03.01) |
| Apr 15, 2023 | 96.53% (0.96532) | 99.32th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.84% (0.96841) | 99.43th | v3 (v2023.03.01) |
| Mar 6, 2023 | 67.07% (0.67074) | 99.07th | v2 (v2022.01.01) |
| Nov 5, 2022 | 67.07% (0.67074) | 99.04th | v2 (v2022.01.01) |
| Aug 18, 2022 | 67.86% (0.67864) | 99.05th | v2 (v2022.01.01) |
| Mar 1, 2022 | 69.12% (0.69117) | 98.96th | v2 (v2022.01.01) |
| Feb 4, 2022 | 70.52% (0.70516) | 99.01th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://osvdb.org/75371 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/45866 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securityreason.com/securityalert/8374 third-party-advisoryx_refsource_SREASON
- http://www.exploit-db.com/exploits/17827 exploitx_refsource_EXPLOIT-DB
- http://www.securityfocus.com/bid/49480 vdb-entryx_refsource_BID
- http://www.stratsec.net/Research/Advisories/Procyon-Core-Server-HMI-Remote-Stack-Overflow x_refsource_MISC
- http://www.uscert.gov/control_systems/pdf/ICSA-11-216-01.pdf x_refsource_MISCUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69632 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/75371 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/45866 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securityreason.com/securityalert/8374 | third-party-advisoryx_refsource_SREASON | |
| http://www.exploit-db.com/exploits/17827 | exploitx_refsource_EXPLOIT-DB | |
| http://www.securityfocus.com/bid/49480 | vdb-entryx_refsource_BID | |
| http://www.stratsec.net/Research/Advisories/Procyon-Core-Server-HMI-Remote-Stack-Overflow | x_refsource_MISC | |
| http://www.uscert.gov/control_systems/pdf/ICSA-11-216-01.pdf | x_refsource_MISCUS Government Resource | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/69632 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Sep 15, 2011
Updated Aug 6, 2024
Reserved Aug 29, 2011
Link CVE-2011-3322
CISA Vulnrichment
Updated n/a