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CVE Tracker

CVE-2009-2055

Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability

IN CISA KEV

Cisco IOS XR,when BGP is the configured routing feature, allows remote attackers to cause a denial-of-service (DoS).

Vendor
Cisco
Product
IOS XR
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2022-03-25
Due date
2022-04-15
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.

EPSS

3.31% chance of exploitation in the next 30 days (percentile 88th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.