Description
The SSH implementation in Cisco StarOS before 19.3.M0.62771 and 20.x before 20.0.M0.62768 on ASR 5000 devices mishandles a multi-user public-key authentication configuration, which allows remote authenticated users to gain privileges by establishing a connection from an endpoint that was previously used for an administrator's connection, aka Bug ID CSCux22492.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160218-asr
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1035062
Scores
CVSS v3
7.5
EPSS
0.0338
EPSS Percentile
87.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-264
Status
published
Products (6)
cisco/asr_5000_series_software
16.5.2
cisco/asr_5000_series_software
17.7.0
cisco/asr_5000_series_software
18.4.0
cisco/asr_5000_series_software
19.0.1
cisco/asr_5000_series_software
19.3.0
cisco/asr_5000_series_software
20.0.0
Published
Feb 19, 2016
Tracked Since
Feb 18, 2026