Privilege escalation in Huawei PCManager



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-40046
CWE-ID CWE-264
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 Huawei PCManager
Client/Desktop applications / Other client software

Vendor Huawei

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU60592

Risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-40046

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker on the local network to escalate privileges on the system.

The vulnerability exists due to a module fails to fully verify external input, which leads to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei PCManager: 11.1.1.95

CPE2.3 External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220216-01-priesc-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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