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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
ciscoCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
VendorProductVersion
ciscoios_xr
3.4
ciscoios_xr
3.4.0
ciscoios_xr
3.4.1
ciscoios_xr
3.4.2
ciscoios_xr
3.4.3
ciscoios_xr
3.5
ciscoios_xr
3.5.2
ciscoios_xr
3.5.3
ciscoios_xr
3.5.4
ciscoios_xr
3.6.0
ciscoios_xr
3.6.1
ciscoios_xr
3.6.2
ciscoios_xr
3.6.3
ciscoios_xr
3.7.0
ciscoios_xr
3.7.1
ciscoios_xr
3.7.2
ciscoios_xr
3.7.3
ciscoios_xr
3.8.0
ciscoios_xr
3.8.1
𝑥
= Vulnerable software versions