Vulnerability · Published Sep 2, 2021 · Assigned by cisco
CVE-2021-34746Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability
Critical 9.8
In plain English
A critical-severity security flaw in Cisco Enterprise NFV Infrastructure Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 17.7% (higher than 97% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Enterprise NFV Infrastructure Software | n/a |
Weakness: CWE-289 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- 20210901 Cisco Enterprise NFV Infrastructure Software Authentication Bypass Vulnerability vendor-advisory, x_refsource_CISCO
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-c4xr-c664 x_refsource_MISC