CVSS 3.1
5.9 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2009-2055
Medium (5.9) in Cisco IOS XR. In CISA KEV since 2022-03-25. EPSS 3.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.3% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2022-03-25, due 2022-04-15
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- cisco:ios_xr