Is CVE-2007-6509 being actively exploited?

CVE-2007-6509 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-6509?

CVE-2007-6509 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2007-6509

HIGH · CVSS 7.8EPSS 55.2%EU EUVD

Unspecified vulnerability in Appian Enterprise Business Process Management (BPM) Suite 5.6 SP1 allows remote attackers to cause a denial of service via a crafted packet to port 5400/tcp.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 55.2% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-6475)
Published: December 21, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-6475 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

appian / business process management suite

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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