CVE-2005-2105

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Summary

CVECVE-2005-2105
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2005-07-05 04:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionCisco IOS 12.2T through 12.4 allows remote attackers to bypass Authentication, Authorization, and Accounting (AAA) RADIUS authentication, if the fallback method is set to none, via a long username.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 12.2t All All All
Operating System Cisco Ios 12.2xb All All All
Operating System Cisco Ios 12.2xc All All All
Operating System Cisco Ios 12.2xd All All All
Operating System Cisco Ios 12.2xe All All All
Operating System Cisco Ios 12.2xf All All All
Operating System Cisco Ios 12.2xg All All All
Operating System Cisco Ios 12.2xh All All All
Operating System Cisco Ios 12.2xi All All All
Operating System Cisco Ios 12.2xj All All All
Operating System Cisco Ios 12.2xk All All All
Operating System Cisco Ios 12.2xl All All All
Operating System Cisco Ios 12.2xm All All All
Operating System Cisco Ios 12.2xq All All All
Operating System Cisco Ios 12.2xr All All All
Operating System Cisco Ios 12.2xt All All All
Operating System Cisco Ios 12.2xw All All All
Operating System Cisco Ios 12.2ya All All All
Operating System Cisco Ios 12.2yb All All All
Operating System Cisco Ios 12.2yc All All All
Operating System Cisco Ios 12.2yd All All All
Operating System Cisco Ios 12.2yf All All All
Operating System Cisco Ios 12.2yg All All All
Operating System Cisco Ios 12.2yh All All All
Operating System Cisco Ios 12.2yj All All All
Operating System Cisco Ios 12.2yl All All All
Operating System Cisco Ios 12.2ym All All All
Operating System Cisco Ios 12.2yn All All All
Operating System Cisco Ios 12.2yp All All All
Operating System Cisco Ios 12.2yq All All All
Operating System Cisco Ios 12.2yr All All All
Operating System Cisco Ios 12.2yt All All All
Operating System Cisco Ios 12.2yu All All All
Operating System Cisco Ios 12.2yv All All All
Operating System Cisco Ios 12.2yw All All All
Operating System Cisco Ios 12.2yy All All All
Operating System Cisco Ios 12.2zb All All All
Operating System Cisco Ios 12.2zc All All All
Operating System Cisco Ios 12.2zd All All All
Operating System Cisco Ios 12.2ze All All All
Operating System Cisco Ios 12.2zf All All All
Operating System Cisco Ios 12.2zg All All All
Operating System Cisco Ios 12.2zh All All All
Operating System Cisco Ios 12.2zj All All All
Operating System Cisco Ios 12.2zl All All All
Operating System Cisco Ios 12.2zn All All All
Operating System Cisco Ios 12.2zo All All All
Operating System Cisco Ios 12.2zp All All All
Operating System Cisco Ios 12.2\(2\)xr All All All
Operating System Cisco Ios 12.2\(4\)xr All All All
Operating System Cisco Ios 12.3b All All All
Operating System Cisco Ios 12.3bc All All All
Operating System Cisco Ios 12.3bw All All All
Operating System Cisco Ios 12.3ja All All All
Operating System Cisco Ios 12.3t All All All
Operating System Cisco Ios 12.3xa All All All
Operating System Cisco Ios 12.3xb All All All
Operating System Cisco Ios 12.3xc All All All
Operating System Cisco Ios 12.3xd All All All
Operating System Cisco Ios 12.3xe All All All
Operating System Cisco Ios 12.3xf All All All
Operating System Cisco Ios 12.3xg All All All
Operating System Cisco Ios 12.3xh All All All
Operating System Cisco Ios 12.3xi All All All
Operating System Cisco Ios 12.3xj All All All
Operating System Cisco Ios 12.3xk All All All
Operating System Cisco Ios 12.3xl All All All
Operating System Cisco Ios 12.3xm All All All
Operating System Cisco Ios 12.3xn All All All
Operating System Cisco Ios 12.3xq All All All
Operating System Cisco Ios 12.3xr All All All
Operating System Cisco Ios 12.3xs All All All
Operating System Cisco Ios 12.3xt All All All
Operating System Cisco Ios 12.3xu All All All
Operating System Cisco Ios 12.3xw All All All
Operating System Cisco Ios 12.3xx All All All
Operating System Cisco Ios 12.3xy All All All
Operating System Cisco Ios 12.3ya All All All
Operating System Cisco Ios 12.3yb All All All
Operating System Cisco Ios 12.3yd All All All
Operating System Cisco Ios 12.3yf All All All
Operating System Cisco Ios 12.3yg All All All
Operating System Cisco Ios 12.3yh All All All
Operating System Cisco Ios 12.3yi All All All
Operating System Cisco Ios 12.3yj All All All
Operating System Cisco Ios 12.3yk All All All
Operating System Cisco Ios 12.3yl All All All
Operating System Cisco Ios 12.3yn All All All
Operating System Cisco Ios 12.3yq All All All
Operating System Cisco Ios 12.3yr All All All
Operating System Cisco Ios 12.3ys All All All
Operating System Cisco Ios 12.4 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco IOS RADIUS Fallback 'None' Authentication Error Lets Remote Users Bypass Authentication - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Patch
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
Cisco - Networking, Cloud, and Cybersecurity Solutions af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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