CVE-2019-15956

A vulnerability in the web management interface of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to perform an unauthorized system reset on an affected device. The vulnerability is due to improper authorization controls for a specific URL in the web management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could have a twofold impact: the attacker could either change the administrator password, gaining privileged access, or reset the network configuration details, causing a denial of service (DoS) condition. In both scenarios, manual intervention is required to restore normal operations.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191106-wsa-unauth-devreset	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:cisco:asyncos::::::::
	cpe:2.3:o:cisco:asyncos::::::::
	cpe:2.3:o:cisco:asyncos::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:cisco:web_security_appliance:10.5.2-072:::::::*
	cpe:2.3:a:cisco:web_security_appliance:11.5.1-fcs-125:::::::*
	cpe:2.3:a:cisco:web_security_appliance:11.7.0-fcs-418:::::::*

History

No history.

Information

Published : 2019-11-26 03:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-15956

Mitre link : CVE-2019-15956

CVE.ORG link : CVE-2019-15956

JSON object : View

Products Affected

cisco

web_security_appliance
asyncos

CWE

NVD-CWE-Other CWE-284

Improper Access Control

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The vulnerability is due to improper authorization controls for a specific URL in the web management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could have a twofold impact: the attacker could either change the administrator password, gaining privileged access, or reset the network configuration details, causing a denial of service (DoS) condition. In both scenarios, manual intervention is required to restore normal operations."}, {"lang": "es", "value": "Una vulnerabilidad en la interfaz de administraci\u00f3n web del Software Cisco AsyncOS para Cisco Web Security Appliance (WSA), podr\u00eda permitir a un atacante remoto autenticado realizar un reinicio no autorizado del sistema en un dispositivo afectado. La vulnerabilidad es debido a controles de autorizaci\u00f3n inapropiados para una URL espec\u00edfica en la interfaz de administraci\u00f3n web. Un atacante podr\u00eda explotar esta vulnerabilidad al enviar una petici\u00f3n HTTP dise\u00f1ada en un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda tener un doble impacto: el atacante podr\u00eda cambiar la contrase\u00f1a del administrador, conseguir acceso privilegiado o restablecer los detalles de configuraci\u00f3n de red, causando una condici\u00f3n de denegaci\u00f3n de servicio (DoS). 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