CVE-2023-20273

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.

Affected

Cisco · Cisco IOS XE Software

CVSS v3.1 NVD

7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

92.99% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2023-10-23

Published

2023-10-24

Updated

2025-10-21

Proof-of-concept exploits (4)

• G4sul1n/Cisco-IOS-XE-CVE-2023-201983★ · 2025-04-11
• sanan2004/CVE-2023-201980★ · 2024-08-26
• smokeintheshell/CVE-2023-2019866★ · 2026-03-26
• smokeintheshell/CVE-2023-2027315★ · 2024-04-01

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/misc/cisco_ios_xe_rce.rb

Security advisories

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-io…

References

• CVE Record
• NVD entry

Related

• CVE-2023-20198
• CVE-2018-17431
• CVE-2022-27925
• CVE-2022-37042
• CVE-2022-37706
• CVE-2024-32002