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CVE-2009-3791· NVD / CVE Program· CNA adobe

Unspecified vulnerability in Adobe Flash Media Server (FMS) before 3.5.3 allows attackers to cause a denial of service (resource exhaustion)

Unspecified vulnerability in Adobe Flash Media Server (FMS) before 3.5.3 allows attackers to cause a denial of service (resource exhaustion) via unknown vectors.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Dec 21, 2009
Updated
Jun 16, 2026
EPSS
2.6% · 85th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
adobeflash media server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • adobe flash media serverup to 3.5.2 inclusive
  • adobe flash media server2.0
  • adobe flash media server2.0.1
  • adobe flash media server2.0.2
  • adobe flash media server2.0.3
  • adobe flash media server2.0.4
  • adobe flash media server2.0.5
  • adobe flash media server3.0
  • adobe flash media server3.0.1
  • adobe flash media server3.0.2
  • adobe flash media server3.0.3
  • adobe flash media server3.0.4
  • adobe flash media server3.5.1

Same product

adobe: all records

Other highest-scoring records for the same primary product.

  • CVE-2010-3635Adobe Flash Media Server (FMS) 3.0.x before 3.0.7, 3.5.x before 3.5.5, and 4.0.x before 4.0.1 allows attackers to execute arbitrary code via
    42Plan
  • CVE-2010-2217Adobe Flash Media Server (FMS) before 3.0.6, and 3.5.x before 3.5.4, allows attackers to execute arbitrary code via unspecified vectors, rel
    41Plan
  • CVE-2009-3792Directory traversal vulnerability in Adobe Flash Media Server (FMS) before 3.5.3 allows attackers to load arbitrary DLL files via unspecifie
    41Plan
  • CVE-2009-1365Unspecified vulnerability in Adobe Flash Media Server (FMS) before 3.0.4 and 3.5.x before 3.5.2, as used in Flash Media Interactive Server a
    31Monitor
  • CVE-2011-2132Adobe Flash Media Server (FMS) before 3.5.7, and 4.x before 4.0.3, allows attackers to cause a denial of service (memory corruption) via uns
    23Monitor
  • CVE-2011-0612Adobe Flash Media Server (FMS) before 3.5.6, and 4.x before 4.0.2, allows remote attackers to cause a denial of service (XML data corruption
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-400 · Uncontrolled Resource Consumption

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-secondary

Root cause

Code that parses nested structures sets no depth or size limit. A small input can turn into a disproportionate processing load.

The bug in code

The whole CWE-400 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
function expand(node) {  return node.children.map(expand);}

Fixed

ts
const MAX_DEPTH = 32;function expand(node, depth = 0) {  if (depth > MAX_DEPTH) throw new Error("too deep");  return node.children.map((c) => expand(c, depth + 1));}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records