Huawei TechnologiesHUAWEI-SA-20200701-01-UPNPSecurity Advisory - CallStranger Vulnerability in UPnP Protocol
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
EPSS
Percentile
77.5%
There is an vulnerability in UPnP protocol that does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, named CallStranger. The UPnP function of Huawei product is enabled only on the LAN side and is not enabled on the WAN side. (Vulnerability ID: HWPSIRT-2020-04132)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-12695.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-01-upnp-en
Affected configurations
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
EPSS
Percentile
77.5%