How severe is CVE-2007-6509?

CVE-2007-6509 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2007-6509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 55% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6509?

CVE-2007-6509 affects Appian Business Process Management Suite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6509?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2007-6509 published?

CVE-2007-6509 was published on 2007-12-21 and last updated on 2026-06-16.

CVE-2007-6509

CVE-2007-6509 is a high-severity vulnerability in Appian Business Process Management Suite with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 55% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 55% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Appian Business Process Management Suite
Published: 2007-12-21
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-6509?: 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.
How severe is CVE-2007-6509?: CVE-2007-6509 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2007-6509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 55% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6509?: CVE-2007-6509 affects Appian Business Process Management Suite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-6509 published?: CVE-2007-6509 was published on 2007-12-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:appian:business_process_management_suite:5.6:sp1:*:*:*:*:*:*

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