CVE-2023-20226
HIGHDescription
A vulnerability in Application Quality of Experience (AppQoE) and Unified Threat Defense (UTD) on Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to the mishandling of a crafted packet stream through the AppQoE or UTD application. An attacker could exploit this vulnerability by sending a crafted packet stream through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 50% of all known CVEs.
References
Related Vulnerabilities
Other CWE-456 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-3836 | Medium | 5.9 | 3.4% | - | Fix |
| CVE-2018-14641 | Medium | 6.5 | 2.9% | - | - |
| CVE-2021-34703 | Medium | 6.8 | 1.2% | - | - |
| CVE-2021-40403 | Medium | 6.3 | 1.1% | - | Fix |
| CVE-2024-32878 | High | 7.1 | 0.7% | - | Fix |
| CVE-2024-9780 | High | 7.8 | 0.2% | - | Fix |
Common questions
How do I fix CVE-2023-20226?
No published fix for CVE-2023-20226 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2023-20226 being actively exploited?
Not that we know of. CVE-2023-20226 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.70% is the estimated probability that it will be exploited in the next 30 days. That is higher than 50% of all scored CVEs.
How severe is CVE-2023-20226?
CVE-2023-20226 has a CVSS v3 base score of 8.6, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.