cvedb.io
CVE-2021-34746
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-09-02T03:15:06.687 · Last modified 2026-06-17T03:56:28.957

Summary

A vulnerability in the TACACS+ authentication, authorization and accounting (AAA) feature of Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to bypass authentication and log in to an affected device as an administrator. This vulnerability is due to incomplete validation of user-supplied input that is passed to an authentication script. An attacker could exploit this vulnerability by injecting parameters into an authentication request. A successful exploit could allow the attacker to bypass authentication and log in as an administrator to the affected device.

Affected products

cisco — enterprise_nfv_infrastructure_software

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.