CVE-2011-3322
Core Server HMI Service (Coreservice.exe) in Scadatec Limited Procyon SCADA 1.06, and other versions before 1.14, allows remote attackers…
- Published
- Updated
- Reserved
- Assigned by
- certcc
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 17827 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By certcc
- 17 days later
· 17 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 64.7% · top 0.8% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
Affected products
n/a
- affected n/a
References (8)
- 17827 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- procyon-telnet-bo(69632) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.stratsec.net/Research/Advisories/Procyon-Core-Server-HMI-Remote-Stack-Overflow (opens in a new tab)x_refsource_MISCx_transferred
- 45866 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.uscert.gov/control_systems/pdf/ICSA-11-216-01.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 8374 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 75371 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 49480 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-3322)Record last updated .