Medium severity · published May 27, 2021
CVE-2021-22411
There is an out-of-bounds write vulnerability in some Huawei products
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
There is an out-of-bounds write vulnerability in some Huawei products. The code of a module have a bad judgment logic. Attackers can exploit this vulnerability by performing multiple abnormal activities to trigger the bad logic and cause out-of-bounds write. This may compromise the normal service of the module.Affected product versions include: NGFW Module versions V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200;USG9500 versions V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NM
Ngfw Module Firmware · Huawei
v500r005c00spc100; v500r005c00spc200 · source: NVD
SU
Secospace Usg6300 Firmware · Huawei
v500r001c30spc200; v500r001c30spc600; v500r001c60spc500; v500r005c00spc100; v500r005c00spc200 · source: NVD
SU
Secospace Usg6500 Firmware · Huawei
v500r001c30spc200; v500r001c30spc600; v500r001c60spc500; v500r005c00spc100; v500r005c00spc200 · source: NVD
SU
Secospace Usg6600 Firmware · Huawei
v500r001c30spc200; v500r001c30spc600; v500r001c60spc500; v500r005c00spc100; v500r005c00spc200 · source: NVD
UF
Usg9500 Firmware · Huawei
v500r001c60spc500; v500r005c00spc100; v500r005c00spc200 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22411
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22411
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-02-outofbounds-en
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