OMENWAVE modelled vulnerability-chaining pathways

CVE-2009-2055

Cisco IOS XR 3.4.0 through 3.8.1 allows remote attackers to cause a denial of service (session reset) via a BGP UPDATE message with an invalid attribute, as demonstrated in the wild on 17 August 2009.

5.9

CVSS Medium

3.3%

EPSS p89

YES

In CISA KEV

Data as of 2 Nov 2026 · NVD, CISA KEV, EPSS

Why chaining, at machine speed

Defenders still triage vulnerabilities one CVE at a time, while increasingly automated attackers combine them at machine speed. Omenwave models the plausible pathways by which this CVE could be chained with others — surfacing them for research and awareness, with evidence for each step.

Modelled capability profile

Kill-chain stage: IMPACT
Requires: NONE access, NETWORK vector
Grants: NONE access (terminal impact)
Capabilities: denial of service
Model confidence: high · CVSS 3.1

Top plausible next hops

No plausible forward hops are modelled from this CVE in the current corpus (it may be a terminal impact, or an independent entry point rather than a continuation).

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Modelled plausible chaining potential derived from public CVE metadata (CVSS, CWE, CPE). Not a confirmed real-world exploit chain and contains no exploitation detail. For research and awareness only.

Methodology · Interactive explorer · JSON: /cve/CVE-2009-2055