CVE-2008-2639
HighPublic exploitStack-based buffer overflow in the ODBC server service in Citect CitectSCADA 6 and 7, and CitectFacilities 7, allows remote attackers to execute arbitrary code via a long string in the second application packet in a TCP session on port 20222.
Published Jun 16, 2008 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2008-2639 is a high-severity vulnerability (CVSS 7.6 v2) affecting Citectfacilities, Citectscada.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 78% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.6
AV:N/AC:H/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
78%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Stack-based buffer overflow in the ODBC server service in Citect CitectSCADA 6 and 7, and CitectFacilities 7, allows remote attackers to execute arbitrary code via a long string in the second application packet in a TCP session on port 20222.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| CitectfacilitiesCitect | 7 | n/a |
| CitectscadaCitect | 6, 7 | n/a |
Timeline
Publicly disclosed
Jun 16, 2008
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisory30638
- exploitMSF citect_scada_odbc.rb
- exploitExploitDB-16380
- otherhttp://isc.sans.org/diary.html?storyid=4556
- other3944
FAQ
Common Questions.
Stack-based buffer overflow in the ODBC server service in Citect CitectSCADA 6 and 7, and CitectFacilities 7, allows remote attackers to execute arbitrary code via a long string in the second application packet in a TCP session on port 20222.
Affected: Citectfacilities versions 7; Citectscada versions 6, 7. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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