High severity · published Aug 23, 2021
CVE-2021-22357
There is a denial of service vulnerability in Huawei products
7.5
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
S12700 Firmware · Huawei
v200r013c00spc500; v200r019c00spc500 · source: NVD
SF
S5700 Firmware · Huawei
v200r013c00spc500; v200r019c00spc500 · source: NVD
SF
S6700 Firmware · Huawei
v200r013c00spc500; v200r019c00spc500 · source: NVD
SF
S7700 Firmware · Huawei
v200r013c00spc500; v200r019c00spc500 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22357
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22357
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-dos-en
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