Is CVE-2008-2639 in the CISA KEV catalog?

No. CVE-2008-2639 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-2639?

CVE-2008-2639 has a CVSS v2 base score of 7.6 (HIGH).

What is the EPSS score for CVE-2008-2639?

CVE-2008-2639 has an EPSS score of 77.72% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2008-2639

HIGHEPSS 100th pctl

7.6

CVSS v2

NVD

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.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

77.72%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

http://isc.sans.org/diary.html?storyid=4556
http://secunia.com/advisories/30638
http://securityreason.com/securityalert/3944
http://securitytracker.com/id?1020241
http://www.coresecurity.com/?action=item&id=2186
http://www.kb.cert.org/vuls/id/476345
http://www.kb.cert.org/vuls/id/CTAR-7ENQNH
http://www.securityfocus.com/archive/1/493272/100/0/threaded
http://www.securityfocus.com/bid/29634
http://www.vupen.com/english/advisories/2008/1834/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/42992
https://www.exploit-db.com/exploits/6387

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.