Overview
Cisco IOS XR,when BGP is the configured routing feature, allows remote attackers to cause a denial-of-service (DoS).
https://nvd.nist.gov/vuln/detail/CVE-2009-2055
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2009-2055 |
| Vendor / Product | Cisco — IOS XR |
| NVD Published | 2009-08-19 |
| NVD Last Modified | 2026-01-12 |
| CVSS 3.1 Score | 5.9 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Severity | MEDIUM |
| CWE | CWE-20 |
| CISA KEV Added | 2022-03-25 |
| CISA KEV Deadline | 2022-04-15 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2022-04-15.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-03-25 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-04-15 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2009-2055 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |