CVE-2026-20200
CVE-2026-20200 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-141.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (55th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-141
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-20200?
- 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 severe is CVE-2026-20200?
- CVE-2026-20200 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-20200 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-20200?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-20200 published?
- CVE-2026-20200 was published on 2026-08-05 and last updated on 2026-08-06.
References
Other CWE-141 vulnerabilities
- CVE-2023-28815 — Critical (CVSS 9.8): Some versions of Hikvision's iSecure Center Product contain insufficient parameter validation, resulting in a command…
- CVE-2022-41665 — Critical (CVSS 9.8): A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850…
- CVE-2022-29873 — Critical (CVSS 9.8): A vulnerability has been identified in SICAM T (All versions < V3.0). Affected devices do not properly validate…
- CVE-2020-7868 — Critical (CVSS 9.6): A remote code execution vulnerability exists in helpUS(remote administration tool) due to improper validation of…
- CVE-2024-0840 — High (CVSS 8.8): The Grandstream UCM Series IP PBX before firmware version 1.0.20.52 is affected by a parameter injection vulnerability…
- CVE-2025-31329 — Medium (CVSS 6.2): SAP NetWeaver is vulnerable to an Information Disclosure vulnerability caused by the injection of malicious…