High severity · published May 27, 2021
CVE-2021-22359
There is a denial of service vulnerability in the verisions V200R005C00SPC500 of S5700 and V200R005C00SPC500 of S6700
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
There is a denial of service vulnerability in the verisions V200R005C00SPC500 of S5700 and V200R005C00SPC500 of S6700. An attacker could exploit this vulnerability by sending specific message to a targeted device. Due to insufficient input validation, successful exploit can cause the service abnormal.
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
S5700 Firmware · Huawei
v200r005c00spc500 · source: NVD
SF
S6700 Firmware · Huawei
v200r005c00spc500 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22359
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22359
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-02-dos-en
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