Vulnerability Details CVE-2021-34746
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.027
EPSS Ranking 85.0%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 9.3
References
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-c4xr-c664
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-g2DMVVh
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-gqx8-c4xr-c664
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nfvis-g2DMVVh
Products affected by CVE-2021-34746
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.5.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.5.2
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.6.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.6.2
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.6.3
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.7.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.8.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:3.9.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:4.4.1
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cpe:2.3:a:cisco:enterprise_nfv_infrastructure_software:4.5.1