CVE-2026-20200
HIGHDescription
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.
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:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 55% of all known CVEs.
References
Related Vulnerabilities
Other CWE-141 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-7868 | Critical | 9.6 | 2.7% | - | - |
| CVE-2022-29873 | Critical | 9.8 | 1.9% | - | Fix |
| CVE-2023-28815 | Critical | 9.8 | 1.5% | - | - |
| CVE-2022-29872 | High | 8.8 | 1.4% | - | Fix |
| CVE-2022-41665 | Critical | 9.8 | 1.1% | - | Fix |
| CVE-2024-0840 | High | 8.8 | 0.9% | - | - |
Common questions
How do I fix CVE-2026-20200?
No published fix for CVE-2026-20200 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2026-20200 being actively exploited?
Not that we know of. CVE-2026-20200 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.84% is the estimated probability that it will be exploited in the next 30 days. That is higher than 55% of all scored CVEs.
How severe is CVE-2026-20200?
CVE-2026-20200 has a CVSS v3 base score of 8.8, 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 2026-08-06.