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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-20198

Cisco is providing an update for the ongoing investigation into observed exploitation of the web UI feature in Cisco IOS XE Software. We are updating the list of fixed releases and adding the Software Checker. Our investigation has determined that the actors exploited two previously unknown issues. The attacker first exploited CVE-2023-20198 to gain initial access and issued a privilege 15 command to create a local user and password combination. This allowed the user to log in with normal user access. The attacker then exploited another component of the web UI feature, leveraging the new local user to elevate privilege to root and write the implant to the file system. Cisco has assigned CVE-2023-20273 to this issue. CVE-2023-20198 has been assigned a CVSS Score of 10.0. CVE-2023-20273 has been assigned a CVSS Score of 7.2. Both of these CVEs are being tracked by CSCwh87343.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.941
EPSS Ranking 99.9%
CVSS Severity
CVSS v3 Score 10.0
Proposed Action
Cisco IOS XE Web UI contains a privilege escalation vulnerability in the web user interface that could allow a remote, unauthenticated attacker to create an account with privilege level 15 access. The attacker can then use that account to gain control of the affected device.
Ransomware Campaign
Unknown
Products affected by CVE-2023-20198
  • cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5200:-
  • cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5800:-
  • Cisco » Ios Xe » Version: 16.12
    cpe:2.3:o:cisco:ios_xe:16.12
  • Cisco » Ios Xe » Version: 16.12.0
    cpe:2.3:o:cisco:ios_xe:16.12.0
  • Cisco » Ios Xe » Version: 16.12.1
    cpe:2.3:o:cisco:ios_xe:16.12.1
  • Cisco » Ios Xe » Version: 16.12.10
    cpe:2.3:o:cisco:ios_xe:16.12.10
  • Cisco » Ios Xe » Version: 16.12.1a
    cpe:2.3:o:cisco:ios_xe:16.12.1a
  • Cisco » Ios Xe » Version: 16.12.1b
    cpe:2.3:o:cisco:ios_xe:16.12.1b
  • Cisco » Ios Xe » Version: 16.12.1c
    cpe:2.3:o:cisco:ios_xe:16.12.1c
  • Cisco » Ios Xe » Version: 16.12.1d
    cpe:2.3:o:cisco:ios_xe:16.12.1d
  • Cisco » Ios Xe » Version: 16.12.1s
    cpe:2.3:o:cisco:ios_xe:16.12.1s
  • Cisco » Ios Xe » Version: 16.12.1t
    cpe:2.3:o:cisco:ios_xe:16.12.1t
  • Cisco » Ios Xe » Version: 16.12.1w
    cpe:2.3:o:cisco:ios_xe:16.12.1w
  • Cisco » Ios Xe » Version: 16.12.1x
    cpe:2.3:o:cisco:ios_xe:16.12.1x
  • Cisco » Ios Xe » Version: 16.12.1y
    cpe:2.3:o:cisco:ios_xe:16.12.1y
  • Cisco » Ios Xe » Version: 16.12.1z
    cpe:2.3:o:cisco:ios_xe:16.12.1z
  • Cisco » Ios Xe » Version: 16.12.1z1
    cpe:2.3:o:cisco:ios_xe:16.12.1z1
  • Cisco » Ios Xe » Version: 16.12.1z2
    cpe:2.3:o:cisco:ios_xe:16.12.1z2
  • Cisco » Ios Xe » Version: 16.12.1za
    cpe:2.3:o:cisco:ios_xe:16.12.1za
  • Cisco » Ios Xe » Version: 16.12.2
    cpe:2.3:o:cisco:ios_xe:16.12.2
  • Cisco » Ios Xe » Version: 16.12.2a
    cpe:2.3:o:cisco:ios_xe:16.12.2a
  • Cisco » Ios Xe » Version: 16.12.2r
    cpe:2.3:o:cisco:ios_xe:16.12.2r
  • Cisco » Ios Xe » Version: 16.12.2s
    cpe:2.3:o:cisco:ios_xe:16.12.2s
  • Cisco » Ios Xe » Version: 16.12.2t
    cpe:2.3:o:cisco:ios_xe:16.12.2t
  • Cisco » Ios Xe » Version: 16.12.3
    cpe:2.3:o:cisco:ios_xe:16.12.3
  • Cisco » Ios Xe » Version: 16.12.3a
    cpe:2.3:o:cisco:ios_xe:16.12.3a
  • Cisco » Ios Xe » Version: 16.12.3s
    cpe:2.3:o:cisco:ios_xe:16.12.3s
  • Cisco » Ios Xe » Version: 16.12.4
    cpe:2.3:o:cisco:ios_xe:16.12.4
  • Cisco » Ios Xe » Version: 16.12.4a
    cpe:2.3:o:cisco:ios_xe:16.12.4a
  • Cisco » Ios Xe » Version: 16.12.5
    cpe:2.3:o:cisco:ios_xe:16.12.5
  • Cisco » Ios Xe » Version: 16.12.5a
    cpe:2.3:o:cisco:ios_xe:16.12.5a
  • Cisco » Ios Xe » Version: 16.12.5b
    cpe:2.3:o:cisco:ios_xe:16.12.5b
  • Cisco » Ios Xe » Version: 16.12.6
    cpe:2.3:o:cisco:ios_xe:16.12.6
  • Cisco » Ios Xe » Version: 16.12.6a
    cpe:2.3:o:cisco:ios_xe:16.12.6a
  • Cisco » Ios Xe » Version: 16.12.7
    cpe:2.3:o:cisco:ios_xe:16.12.7
  • Cisco » Ios Xe » Version: 16.12.8
    cpe:2.3:o:cisco:ios_xe:16.12.8
  • Cisco » Ios Xe » Version: 16.12.9
    cpe:2.3:o:cisco:ios_xe:16.12.9
  • Cisco » Ios Xe » Version: 17.3
    cpe:2.3:o:cisco:ios_xe:17.3
  • Cisco » Ios Xe » Version: 17.3.1
    cpe:2.3:o:cisco:ios_xe:17.3.1
  • Cisco » Ios Xe » Version: 17.3.1a
    cpe:2.3:o:cisco:ios_xe:17.3.1a
  • Cisco » Ios Xe » Version: 17.3.1w
    cpe:2.3:o:cisco:ios_xe:17.3.1w
  • Cisco » Ios Xe » Version: 17.3.1x
    cpe:2.3:o:cisco:ios_xe:17.3.1x
  • Cisco » Ios Xe » Version: 17.3.1z
    cpe:2.3:o:cisco:ios_xe:17.3.1z
  • Cisco » Ios Xe » Version: 17.3.2
    cpe:2.3:o:cisco:ios_xe:17.3.2
  • Cisco » Ios Xe » Version: 17.3.2a
    cpe:2.3:o:cisco:ios_xe:17.3.2a
  • Cisco » Ios Xe » Version: 17.3.3
    cpe:2.3:o:cisco:ios_xe:17.3.3
  • Cisco » Ios Xe » Version: 17.3.3a
    cpe:2.3:o:cisco:ios_xe:17.3.3a
  • Cisco » Ios Xe » Version: 17.3.4
    cpe:2.3:o:cisco:ios_xe:17.3.4
  • Cisco » Ios Xe » Version: 17.3.4a
    cpe:2.3:o:cisco:ios_xe:17.3.4a
  • Cisco » Ios Xe » Version: 17.3.4b
    cpe:2.3:o:cisco:ios_xe:17.3.4b
  • Cisco » Ios Xe » Version: 17.3.4c
    cpe:2.3:o:cisco:ios_xe:17.3.4c
  • Cisco » Ios Xe » Version: 17.3.5
    cpe:2.3:o:cisco:ios_xe:17.3.5
  • Cisco » Ios Xe » Version: 17.3.5a
    cpe:2.3:o:cisco:ios_xe:17.3.5a
  • Cisco » Ios Xe » Version: 17.3.5b
    cpe:2.3:o:cisco:ios_xe:17.3.5b
  • Cisco » Ios Xe » Version: 17.3.6
    cpe:2.3:o:cisco:ios_xe:17.3.6
  • Cisco » Ios Xe » Version: 17.3.7
    cpe:2.3:o:cisco:ios_xe:17.3.7
  • Cisco » Ios Xe » Version: 17.3.8
    cpe:2.3:o:cisco:ios_xe:17.3.8
  • Cisco » Ios Xe » Version: 17.6
    cpe:2.3:o:cisco:ios_xe:17.6
  • Cisco » Ios Xe » Version: 17.6.0
    cpe:2.3:o:cisco:ios_xe:17.6.0
  • Cisco » Ios Xe » Version: 17.6.1
    cpe:2.3:o:cisco:ios_xe:17.6.1
  • Cisco » Ios Xe » Version: 17.6.1.z
    cpe:2.3:o:cisco:ios_xe:17.6.1.z
  • Cisco » Ios Xe » Version: 17.6.1a
    cpe:2.3:o:cisco:ios_xe:17.6.1a
  • Cisco » Ios Xe » Version: 17.6.1w
    cpe:2.3:o:cisco:ios_xe:17.6.1w
  • Cisco » Ios Xe » Version: 17.6.1x
    cpe:2.3:o:cisco:ios_xe:17.6.1x
  • Cisco » Ios Xe » Version: 17.6.1y
    cpe:2.3:o:cisco:ios_xe:17.6.1y
  • Cisco » Ios Xe » Version: 17.6.1z
    cpe:2.3:o:cisco:ios_xe:17.6.1z
  • Cisco » Ios Xe » Version: 17.6.1z1
    cpe:2.3:o:cisco:ios_xe:17.6.1z1
  • Cisco » Ios Xe » Version: 17.6.2
    cpe:2.3:o:cisco:ios_xe:17.6.2
  • Cisco » Ios Xe » Version: 17.6.3
    cpe:2.3:o:cisco:ios_xe:17.6.3
  • Cisco » Ios Xe » Version: 17.6.3a
    cpe:2.3:o:cisco:ios_xe:17.6.3a
  • Cisco » Ios Xe » Version: 17.6.4
    cpe:2.3:o:cisco:ios_xe:17.6.4
  • Cisco » Ios Xe » Version: 17.6.5
    cpe:2.3:o:cisco:ios_xe:17.6.5
  • Cisco » Ios Xe » Version: 17.6.5a
    cpe:2.3:o:cisco:ios_xe:17.6.5a
  • Cisco » Ios Xe » Version: 17.6.6
    cpe:2.3:o:cisco:ios_xe:17.6.6
  • Cisco » Ios Xe » Version: 17.9
    cpe:2.3:o:cisco:ios_xe:17.9
  • Cisco » Ios Xe » Version: 17.9.1
    cpe:2.3:o:cisco:ios_xe:17.9.1
  • Cisco » Ios Xe » Version: 17.9.1a
    cpe:2.3:o:cisco:ios_xe:17.9.1a
  • Cisco » Ios Xe » Version: 17.9.1w
    cpe:2.3:o:cisco:ios_xe:17.9.1w
  • Cisco » Ios Xe » Version: 17.9.1x
    cpe:2.3:o:cisco:ios_xe:17.9.1x
  • Cisco » Ios Xe » Version: 17.9.1x1
    cpe:2.3:o:cisco:ios_xe:17.9.1x1
  • Cisco » Ios Xe » Version: 17.9.1y
    cpe:2.3:o:cisco:ios_xe:17.9.1y
  • Cisco » Ios Xe » Version: 17.9.1y1
    cpe:2.3:o:cisco:ios_xe:17.9.1y1
  • Cisco » Ios Xe » Version: 17.9.2
    cpe:2.3:o:cisco:ios_xe:17.9.2
  • Cisco » Ios Xe » Version: 17.9.2a
    cpe:2.3:o:cisco:ios_xe:17.9.2a
  • Cisco » Ios Xe » Version: 17.9.2b
    cpe:2.3:o:cisco:ios_xe:17.9.2b
  • Cisco » Ios Xe » Version: 17.9.3
    cpe:2.3:o:cisco:ios_xe:17.9.3
  • Cisco » Ios Xe » Version: 17.9.3a
    cpe:2.3:o:cisco:ios_xe:17.9.3a
  • Cisco » Ios Xe » Version: 17.9.4
    cpe:2.3:o:cisco:ios_xe:17.9.4
  • cpe:2.3:o:rockwellautomation:allen-bradley_stratix_5200_firmware:*
  • cpe:2.3:o:rockwellautomation:allen-bradley_stratix_5800_firmware:*


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