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CVE-2023-20231

HIGHCVSS 8.8/10EPSS 0.74%

Last modified

CVE-2023-20231 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. 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 execute arbitrary Cisco IOS XE Software CLI commands with level 15 privileges. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a Lobby Ambassador account. This account is not configured by default.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.74%

49.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xe16.12.4
CiscoIos Xe16.12.4a
CiscoIos Xe16.12.5
CiscoIos Xe16.12.5a
CiscoIos Xe16.12.5b
CiscoIos Xe16.12.6
CiscoIos Xe16.12.6a
CiscoIos Xe16.12.7
CiscoIos Xe16.12.8
CiscoIos Xe16.12.9
CiscoIos Xe17.2.2
CiscoIos Xe17.2.3
CiscoIos Xe17.3.1
CiscoIos Xe17.3.1a
CiscoIos Xe17.3.1w
CiscoIos Xe17.3.1x
CiscoIos Xe17.3.1z
CiscoIos Xe17.3.2
CiscoIos Xe17.3.3
CiscoIos Xe17.3.4
CiscoIos Xe17.3.4a
CiscoIos Xe17.3.4b
CiscoIos Xe17.3.4c
CiscoIos Xe17.3.5
CiscoIos Xe17.3.5a
CiscoIos Xe17.3.5b
CiscoIos Xe17.3.6
CiscoIos Xe17.4.1
CiscoIos Xe17.4.1a
CiscoIos Xe17.4.1b
CiscoIos Xe17.4.2
CiscoIos Xe17.4.2a
CiscoIos Xe17.5.1
CiscoIos Xe17.5.1a
CiscoIos Xe17.5.1b
CiscoIos Xe17.5.1c
CiscoIos Xe17.6.1
CiscoIos Xe17.6.1.z
CiscoIos Xe17.6.1a
CiscoIos Xe17.6.1w
CiscoIos Xe17.6.1x
CiscoIos Xe17.6.1y
CiscoIos Xe17.6.1z1
CiscoIos Xe17.6.2
CiscoIos Xe17.6.3
CiscoIos Xe17.6.3a
CiscoIos Xe17.6.4
CiscoIos Xe17.6.5
CiscoIos Xe17.7.1
CiscoIos Xe17.7.1a

Showing 50 of 67 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20231?
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. 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 execute arbitrary Cisco IOS XE Software CLI commands with level 15 privileges. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a Lobby Ambassador account. This account is not configured by default.
How severe is CVE-2023-20231?
CVE-2023-20231 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20231?
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.

Are you affected by CVE-2023-20231?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST