Vulnerability · Published Aug 23, 2021 · Assigned by huawei

CVE-2021-22357

High 7.5

In plain English

A high-severity security flaw in S12700;S5700;S6700;S7700. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)0.7%top 46.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages due to validating inputs insufficiently. Attackers can exploit this vulnerability by sending specific messages to affected module. This can cause denial of service. Affected product versions include: S12700 V200R013C00SPC500, V200R019C00SPC500; S5700 V200R013C00SPC500, V200R019C00SPC500; S6700 V200R013C00SPC500, V200R019C00SPC500; S7700 V200R013C00SPC500, V200R019C00SPC500.

Affected products (as reported)

Vendor	Product	Versions
n/a	S12700;S5700;S6700;S7700	V200R013C00SPC500,V200R019C00SPC500

References

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