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CVE-2023-20067

MEDIUMCVSS 6.5/10EPSS 0.30%

Last modified

CVE-2023-20067 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the HTTP-based client profiling feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

A vulnerability in the HTTP-based client profiling feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vulnerability by sending crafted traffic through a wireless access point. A successful exploit could allow the attacker to cause CPU utilization to increase, which could result in a DoS condition on an affected device and could cause new wireless client associations to fail. Once the offending traffic stops, the affected system will return to an operational state and new client associations will succeed.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.30%

21.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xe16.10.1
CiscoIos Xe16.10.1e
CiscoIos Xe16.10.1s
CiscoIos Xe16.11.1
CiscoIos Xe16.11.1a
CiscoIos Xe16.11.1b
CiscoIos Xe16.11.1c
CiscoIos Xe16.11.2
CiscoIos Xe16.12.1
CiscoIos Xe16.12.1s
CiscoIos Xe16.12.1t
CiscoIos Xe16.12.2s
CiscoIos Xe16.12.2t
CiscoIos Xe16.12.3
CiscoIos Xe16.12.3s
CiscoIos Xe16.12.4
CiscoIos Xe16.12.4a
CiscoIos Xe16.12.5
CiscoIos Xe16.12.6
CiscoIos Xe16.12.6a
CiscoIos Xe16.12.7
CiscoIos Xe16.12.8
CiscoIos Xe17.1.1
CiscoIos Xe17.1.1s
CiscoIos Xe17.1.1t
CiscoIos Xe17.1.2
CiscoIos Xe17.1.3
CiscoIos Xe17.2.1
CiscoIos Xe17.2.1a
CiscoIos Xe17.3.1
CiscoIos Xe17.3.2
CiscoIos Xe17.3.2a
CiscoIos Xe17.3.3
CiscoIos Xe17.3.4
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 Xe17.5.1
CiscoIos Xe17.6.1
CiscoIos Xe17.6.2
CiscoIos Xe17.6.3
CiscoIos Xe17.6.4
CiscoIos Xe17.7.1
CiscoIos Xe17.8.1
CiscoIos Xe17.9.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20067?
A vulnerability in the HTTP-based client profiling feature of Cisco IOS XE Software for Wireless LAN Controllers (WLCs) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of received traffic. An attacker could exploit this vulnerability by sending crafted traffic through a wireless access point. A successful exploit could allow the attacker to cause CPU utilization to increase, which could result in a DoS condition on an affected device and could cause new wireless client associations to fail. Once the offending traffic stops, the affected system will return to an operational state and new client associations will succeed.
How severe is CVE-2023-20067?
CVE-2023-20067 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20067?
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-2023-20067?

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

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Source: NVD / NIST