Background exploitation KEV catalog Ransomware No authentication
CVE-2009-3960

Adobe BlazeDS Information Disclosure Vulnerability

Unspecified vulnerability in BlazeDS 3.2 and earlier, as used in LiveCycle 8.0.1, 8.2.1, and 9.0, LiveCycle Data Services 2.5.1, 2.6.1, and 3.0, Flex Data Services 2.0.1, and ColdFusion 7.0.2, 8.0, 8.0.1, and 9.0, allows remote attackers…

CheckOps priority index
8.3/10 Patch within 24 h
Severity6.5
Probability9.0
Exploitation5/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 90.1% higher than 99.8% of CVEs
CVSS 3.1 6.5 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:
Exploited for 1,702 days 07 Mar 2022
CISA due date 07 Sept 2022 for US federal agencies

Exploitation probability EPSS · FIRST

05010026 Sep05 Oct15 Oct24 Oct02 Nov
EPSS probability (%)Percentile among all CVEs

Exploitation signals 5 / 5

  • KEV catalog (CISA)07 Mar 2022
  • Exploited in EUVD (ENISA)07 Mar 2022
  • Used by ransomwareyes
  • EPSS above 10 %90.1%
  • No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

Unspecified vulnerability in BlazeDS 3.2 and earlier, as used in LiveCycle 8.0.1, 8.2.1, and 9.0, LiveCycle Data Services 2.5.1, 2.6.1, and 3.0, Flex Data Services 2.0.1, and ColdFusion 7.0.2, 8.0, 8.0.1, and 9.0, allows remote attackers to obtain sensitive information via vectors that are associated with a request, and related to injected tags and external entity references in XML documents.

Affected products

BlazeDS

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

  1. Published

  2. Exploitation reported (ENISA)

  3. Added to the KEV catalog

  4. CISA remediation due date

  5. EPSS peak: 90.1%

References

Other exploited vulnerabilities from the same vendor

  • CVE-2026-48356Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability
    7.5 · Rising fast
  • CVE-2026-71362Adobe Commerce and Magento Incorrect Authorization Vulnerability
    8.8 · Actively exploited
  • CVE-2026-75650Adobe Commerce and Magento Improper Neutralization of Special Elements Used in a Template Engine Vulnerability
    5.9 · Actively exploited
  • CVE-2026-48282Adobe ColdFusion Path Traversal Vulnerability
    7.7 · Actively exploited
  • CVE-2009-3459Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
    8.5 · Actively exploited
  • CVE-2026-34621Adobe Acrobat and Reader Prototype Pollution Vulnerability
    4.9 · Background exploitation

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Sources: CISA KEV · ENISA EUVD · FIRST EPSS · OSV. Public data aggregated by CheckOps, updated automatically. Source texts remain the property of their authors. All exploited vulnerabilities