HUAWEI Mate 20 versions earlier than 10.1.0.163(C00E160R3P8) have a JavaScript injection vulnerability. A module does not verify a specific input. This could allow attackers to bypass filter mechanism to launch JavaScript injection. This could compromise normal service of the affected module.
HUAWEI Mate 20 smart phones with Versions earlier than 10.1.0.163(C00E160R3P8) have a denial of service (DoS) vulnerability. The attacker can enter a large amount of text on the phone. Due to insufficient verification of the parameter, successful exploitation can impact the service.
P30, Mate 20, P30 Pro smartphones with software of versions earlier than ELLE-AL00B 9.1.0.193(C00E190R1P21), versions earlier than Hima-AL00B 9.1.0.135(C00E200R2P1), versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R1P12) have a buffer overflow vulnerability on several , the system does not properly validate certain length parameter which an application transports to kernel. An attacker tricks the user to install a malicious application, successful exploit could cause malicious code execution.
P30, P30 Pro, Mate 20 smartphones with software of versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1), versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1), versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1) and HiSuite with versions earlier than HiSuite 9.1.0.305 have a version downgrade vulnerability. The device and HiSuite software do not validate the upgrade package sufficiently, so that the system of smartphone can be downgraded to an older version.
P30, P30 Pro, Mate 20 smartphones with software of versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1), versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1), versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1) and HiSuite with versions earlier than HiSuite 9.1.0.305 have a version downgrade vulnerability. The device and HiSuite software do not validate the upgrade package sufficiently, so that the system of smartphone can be downgraded to an older version.
There is a Factory Reset Protection (FRP) bypass vulnerability on several smartphones. The system does not sufficiently verify the permission, an attacker could do a certain operation on certain step of setup wizard. Successful exploit could allow the attacker bypass the FRP protection. Affected products: Mate 20 X, versions earlier than Ever-AL00B 9.0.0.200(C00E200R2P1); Mate 20, versions earlier than Hima-AL00B/Hima-TL00B 9.0.0.200(C00E200R2P1); Honor Magic 2, versions earlier than Tony-AL00B/Tony-TL00B 9.0.0.182(C00E180R2P2).