Vulnerability identifier: #VU49038
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-287
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
My Cloud PR2100
Hardware solutions /
Other hardware appliances
My Cloud PR4100
Hardware solutions /
Other hardware appliances
My Cloud EX2 Ultra
Hardware solutions /
Other hardware appliances
My Cloud EX4100
Hardware solutions /
Other hardware appliances
My Cloud Mirror Gen 2
Hardware solutions /
Other hardware appliances
Vendor: Western Digital
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests within the mod_rewrite module. A remote attacker can bypass authentication process and gain unauthorized access to the application.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
My Cloud PR2100: All versions
My Cloud PR4100: All versions
My Cloud EX2 Ultra: All versions
My Cloud EX4100: All versions
My Cloud Mirror Gen 2: All versions
External links
http://www.westerndigital.com/support/productsecurity/wdc-20010-my-cloud-os5-firmware-5-07-118
http://www.zerodayinitiative.com/advisories/ZDI-20-1446/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.