The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.
Advisories
Source ID Title
EUVD EUVD EUVD-2015-0620 The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-08-06T04:17:32.833Z

Reserved: 2015-01-07T00:00:00

Link: CVE-2015-0607

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-03-06T03:00:13.470

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-0607

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses