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CVE-2023-20273

HIGHCVSS 7.2/10Actively ExploitedEPSS 89.63%

Last modified

CVE-2023-20273 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 89.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
89.63%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xe16.1.1
CiscoIos Xe16.1.2
CiscoIos Xe16.1.3
CiscoIos Xe16.2.1
CiscoIos Xe16.2.2
CiscoIos Xe16.3.1a
CiscoIos Xe16.3.2
CiscoIos Xe16.3.3
CiscoIos Xe16.3.4
CiscoIos Xe16.3.5
CiscoIos Xe16.3.5b
CiscoIos Xe16.3.6
CiscoIos Xe16.3.7
CiscoIos Xe16.3.8
CiscoIos Xe16.3.9
CiscoIos Xe16.3.10
CiscoIos Xe16.3.11
CiscoIos Xe16.4.1
CiscoIos Xe16.4.2
CiscoIos Xe16.4.3
CiscoIos Xe16.5.1
CiscoIos Xe16.5.1a
CiscoIos Xe16.5.1b
CiscoIos Xe16.5.2
CiscoIos Xe16.5.3
CiscoIos Xe16.6.1
CiscoIos Xe16.6.2
CiscoIos Xe16.6.3
CiscoIos Xe16.6.4
CiscoIos Xe16.6.4a
CiscoIos Xe16.6.5
CiscoIos Xe16.6.5a
CiscoIos Xe16.6.6
CiscoIos Xe16.6.7
CiscoIos Xe16.6.8
CiscoIos Xe16.6.9
CiscoIos Xe16.6.10
CiscoIos Xe16.7.1
CiscoIos Xe16.7.1a
CiscoIos Xe16.7.1b
CiscoIos Xe16.7.2
CiscoIos Xe16.7.3
CiscoIos Xe16.7.4
CiscoIos Xe16.8.1
CiscoIos Xe16.8.1a
CiscoIos Xe16.8.1b
CiscoIos Xe16.8.1c
CiscoIos Xe16.8.1d
CiscoIos Xe16.8.1e
CiscoIos Xe16.8.1s

Showing 50 of 189 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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.
How severe is CVE-2023-20273?
CVE-2023-20273 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 89.63% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2023-20273?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST