Information disclosure in several Huawei Products



Published: 2021-02-03
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22309
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Huawei USG9520
Hardware solutions / Routers & switches, VoIP, GSM, etc

Huawei USG9560
Hardware solutions / Routers & switches, VoIP, GSM, etc

USG9580
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU50286

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22309

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a module uses less random input in a secure mechanism. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C30SPC200 - V500R005C00SPC200

Huawei USG9520: V500R005C00

Huawei USG9560: V500R005C00

USG9580: V500R005C00

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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