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Vulnerability Intelligence

CVE-2007-6509

HighPublic exploit

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.

Published Dec 21, 2007 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2007-6509 is a high-severity vulnerability (CVSS 7.8 v2) affecting Business Process Management Suite (Appian).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 55% 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

7.8

AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS (30-day exploit likelihood)

55%

Higher than 99.0% 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

Get the full CVE-2007-6509 brief as a PDF

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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.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Business Process Management SuiteAppian5.6-sp1n/a

Timeline

  1. Publicly disclosed

    Dec 21, 2007

  2. Last updated

    Apr 22, 2026

Weakness Type

  • CWE-20 Improper Input Validation

References

1 more references in the full CVE brief

FAQ

Common Questions.

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