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IMMUNITYSEC

CVE-2023-20273

7.2
HIGH
CVSS 3.1
EPSS 89.6% · 100th pctCISA KEV · Exploited in the wild
2023-10-24•Updated 2025-10-21•KEV 2023-10-23
CISA Known Exploited Vulnerabilities

Cisco IOS XE Web UI Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2023-10-23
Remediation due
2023-10-27

Required action
Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.

CISA notes
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z; https://nvd.nist.gov/vuln/detail/CVE-2023-20273

Description

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges.

Severity

CVSS 3.1 · CNA7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Affected Products

VendorProductAffected versions
CiscoCisco IOS XE Software
16.1.1
16.1.2
16.1.3
16.2.1
16.2.2
16.3.1
16.3.2
16.3.3
16.3.1a
16.3.4
16.3.5
16.3.5b
16.3.6
16.3.7
16.3.8
16.3.9
16.3.10
16.3.11
16.4.1
16.4.2
16.4.3
16.5.1
16.5.1a
16.5.1b
16.5.2
16.5.3
16.6.1
16.6.2
16.6.3
16.6.4
16.6.5
16.6.4a
16.6.5a
16.6.6
16.6.7
16.6.8
16.6.9
16.6.10
16.7.1
16.7.1a
16.7.1b
16.7.2
16.7.3
16.7.4
16.8.1
16.8.1a
16.8.1b
16.8.1s
16.8.1c
16.8.1d
16.8.2
16.8.1e
16.8.3
16.9.1
16.9.2
16.9.1a
16.9.1b
16.9.1s
16.9.3
16.9.4
16.9.3a
16.9.5
16.9.5f
16.9.6
16.9.7
16.9.8
16.10.1
16.10.1a
16.10.1b
16.10.1s
16.10.1c
16.10.1e
16.10.1d
16.10.2
16.10.1f
16.10.1g
16.10.3
16.11.1
16.11.1a
16.11.1b
16.11.2
16.11.1s
16.12.1
16.12.1s
16.12.1a
16.12.1c
16.12.1w
16.12.2
16.12.1y
16.12.2a
16.12.3
16.12.8
16.12.2s
16.12.1x
16.12.1t
16.12.4
16.12.3s
16.12.3a
16.12.4a
16.12.5
16.12.6
16.12.1z1
16.12.5a
16.12.5b
16.12.1z2
16.12.6a
16.12.7
16.12.9
16.12.10
17.1.1
17.1.1a
17.1.1s
17.1.1t
17.1.3
17.2.1
17.2.1r
17.2.1a
17.2.1v
17.2.2
17.2.3
17.3.1
17.3.2
17.3.3
17.3.1a
17.3.1w
17.3.2a
17.3.1x
17.3.1z
17.3.4
17.3.5
17.3.4a
17.3.6
17.3.4b
17.3.4c
17.3.5a
17.3.5b
17.3.7
17.3.8
17.4.1
17.4.2
17.4.1a
17.4.1b
17.4.2a
17.5.1
17.5.1a
17.5.1b
17.5.1c
17.6.1
17.6.2
17.6.1w
17.6.1a
17.6.1x
17.6.3
17.6.1y
17.6.1z
17.6.3a
17.6.4
17.6.1z1
17.6.5
17.6.6
17.7.1
17.7.1a
17.7.1b
17.7.2
17.10.1
17.10.1a
17.10.1b
17.8.1
17.8.1a
17.9.1
17.9.1w
17.9.2
17.9.1a
17.9.1x
17.9.1y
17.9.3
17.9.2a
17.9.1x1
17.9.3a
17.9.4
17.9.1y1
17.11.1
17.11.1a
17.12.1
17.12.1a
17.11.99SW

References

1 Links

Record Details

Published
2023-10-24
Last updated
2025-10-21
Assigner (CNA)
cisco
Credited to
-

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