CVE-2024-20399
Actively exploited. CVE-2024-20399 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-07-02) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2024-20399 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Cisco NX-OS contains a command injection vulnerability in the command line interface (CLI) that could allow an authenticated, local attacker to execute commands as root on the underlying operating system of an affected device.
CSIRTS triage
- What
- Cisco NX-OS contains a command injection vulnerability in the CLI that could allow authenticated attackers to execute commands as root.
- Who is affected
- Authenticated users of NX-OS are at risk of exploitation.
- Urgency
- Remediation is critical due to active exploitation and the severity of the vulnerability.
- Action
- Update NX-OS to the latest version as recommended by Cisco.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 90% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2024-20399 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2024-20399: Cisco NX-OS Command Injection Vulnerabilitycisa-kev · 2024-07-02
External references
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[](https://www.csirts.com/cve/CVE-2024-20399)