CVE-2023-20076
HIGHEPSS 72th pctlDescription
A vulnerability in the Cisco IOx application hosting environment could allow an authenticated, remote attacker to execute arbitrary commands as root on the underlying host operating system. This vulnerability is due to incomplete sanitization of parameters that are passed in for activation of an application. An attacker could exploit this vulnerability by deploying and activating an application in the Cisco IOx application hosting environment with a crafted activation payload file. A successful exploit could allow the attacker to execute arbitrary commands as root on the underlying host operating system.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 72% of all known CVEs.
References
Related Vulnerabilities
Other CWE-233 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-52970 | High | 8.1 | 9.8% | - | Fix |
| CVE-2021-1230 | High | 8.6 | 1.5% | - | - |
| CVE-2024-24525 | Critical | 9.8 | 1.1% | - | - |
| CVE-2024-31808 | High | 8.8 | 0.9% | - | - |
| CVE-2022-45182 | Critical | 9.8 | 0.9% | - | Fix |
| CVE-2021-0269 | High | 8.8 | 0.9% | - | - |
Common questions
How do I fix CVE-2023-20076?
Published advisories record a fix for 8 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2023-20076 being actively exploited?
Not that we know of. CVE-2023-20076 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 72% of all scored CVEs.
How severe is CVE-2023-20076?
CVE-2023-20076 has a CVSS v3 base score of 7.2, 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.
What does CVE-2023-20076 affect?
Published advisories record a fix for 807 industrial integrated services router firmware (NVD), 809 industrial integrated services router firmware (NVD), 829 industrial integrated services router firmware (NVD), cgr1000 firmware (NVD), and 4 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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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.