Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Enterprise Nfv Infrastructure Software | < 4.6.1 |
Related Weaknesses (CWE)
References
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-ExploitThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nVendor Advisory
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-ExploitThird Party Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nVendor Advisory
FAQ
What is CVE-2021-34746?
CVE-2021-34746 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 byp...
How severe is CVE-2021-34746?
CVE-2021-34746 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-34746?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Enterprise Nfv Infrastructure Software.