CVE-2021-34746

Katalog CVE

CVSS 9.8 · Critical EPSS 17,7%

Kerentanan Authentication Bypass by Alternate Name pada cisco enterprise nfv infrastructure software. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

2 September 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-289: Authentication Bypass by Alternate Name
CWE-287: Improper Authentication

EPSS (30 hari)

17,7% peluang dieksploitasi; lebih tinggi dari 97,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-g2DMVVh advisory vendor
• https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-c4xr-c664 exploit · advisory pihak ketiga