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CVE-2009-0440· NVD / CVE Program· CNA mitre

IBM WebSphere Partner Gateway (WPG) 6.0.0 through 6.0.0.7 does not properly handle failures of signature verification, which might allow rem

IBM WebSphere Partner Gateway (WPG) 6.0.0 through 6.0.0.7 does not properly handle failures of signature verification, which might allow remote authenticated users to submit a crafted RosettaNet (aka RNIF) document to a backend application, related to (1) "altered service content" and (2) "digital signature foot-print."

MediumCVSS 6.5 · v2.0—No exploit No fix recorded

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Published
Feb 22, 2009
Updated
Jun 16, 2026
EPSS
1.2% · 67th percentile
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Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.2%

Affected systems

VendorProduct
ibmwebsphere partner gateway

Affected versions

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

  • ibm websphere partner gateway6.0.0
  • ibm websphere partner gateway6.0.0.1
  • ibm websphere partner gateway6.0.0.2
  • ibm websphere partner gateway6.0.0.3
  • ibm websphere partner gateway6.0.0.4
  • ibm websphere partner gateway6.0.0.5
  • ibm websphere partner gateway6.0.0.6
  • ibm websphere partner gateway6.0.0.7

Same product

ibm: all records

Other highest-scoring records for the same primary product.

  • CVE-2009-2093SQL injection vulnerability in the console in IBM WebSphere Partner Gateway (WPG) Enterprise 6.0 before FP8, 6.1 before FP3, 6.1.1 before FP
    26Monitor
  • CVE-2009-0897IBM WebSphere Partner Gateway (WPG) 6.1.0 before 6.1.0.1 and 6.1.1 before 6.1.1.1 allows remote authenticated users to obtain sensitive info
    16Monitor

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.

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

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

CVSS vector

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

nvd-primary

Root cause

Authentication is added route by route instead of being enforced in one place. When a route added later bypasses the shared middleware, the session check never runs for it.

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

Vulnerable

ts
app.use("/admin", requireSession, adminRouter);
// Route added later skips the middlewareapp.post("/admin-api/config", updateConfig);

Fixed

ts
const admin = express.Router();admin.use(requireSession, requireRole("admin"));
admin.post("/config", updateConfig);app.use("/admin", admin);

Change log

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

References

All records