CVE-2021-1461

A vulnerability in the Image Signature Verification feature of Cisco SD-WAN Software could allow an authenticated, remote attacker with Administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability.
Configurations

No configuration.

History

21 Nov 2024, 05:44

Type Values Removed Values Added
References
  • () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-webui-gQLSFyPM -
  • () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-sigverbypass-gPYXd6Mk -
Summary
  • (es) Una vulnerabilidad en la función de verificación de firma de imagen del software Cisco SD-WAN podría permitir que un atacante remoto autenticado con credenciales de nivel de administrador instale un parche de software malicioso en un dispositivo afectado. La vulnerabilidad se debe a una verificación incorrecta de las firmas digitales para las imágenes de parches. Un atacante podría aprovechar esta vulnerabilidad creando un parche de software sin firmar para eludir las comprobaciones de firmas y cargarlo en un dispositivo afectado. Una explotación exitosa podría permitir al atacante iniciar una imagen de parche de software malicioso. Cisco ha publicado actualizaciones de software que solucionan la vulnerabilidad descrita en este aviso. No existen workarounds que solucionen esta vulnerabilidad.

18 Nov 2024, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-11-18 16:15

Updated : 2024-11-21 05:44


NVD link : CVE-2021-1461

Mitre link : CVE-2021-1461

CVE.ORG link : CVE-2021-1461


JSON object : View

Products Affected

No product.

CWE
CWE-347

Improper Verification of Cryptographic Signature