Vulnerability · Published Nov 23, 2021 · Assigned by huawei

CVE-2021-22356

Medium 5.9

In plain English

A medium-severity security flaw in IPS Module;NGFW Module;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS NVD)5.9Medium

Exploit odds (30 days)0.4%top 63.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

There is a weak secure algorithm vulnerability in Huawei products. A weak secure algorithm is used in a module. Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak.Affected product versions include: IPS Module V500R005C00SPC100, V500R005C00SPC200; NGFW Module V500R005C00SPC100, V500R005C00SPC200; Secospace USG6300 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6600 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; USG9500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200.

Affected products (as reported)

Vendor	Product	Versions
n/a	IPS Module;NGFW Module;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500	V500R005C00SPC100,V500R005C00SPC200V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-infomationleak-en x_refsource_MISC