Medium severity · published Mar 22, 2021
CVE-2021-22321
There is a use-after-free vulnerability in a Huawei product
5.3
CVSS
0.7%
EPSS
No
On KEV
Description
There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Nip6300 Firmware · Huawei
v500r001c30; v500r001c60 · source: NVD
NF
Nip6600 Firmware · Huawei
v500r001c30 · source: NVD
NF
Nip6800 Firmware · Huawei
v500r001c60 · source: NVD
SF
S12700 Firmware · Huawei
v200r007c01; v200r007c01b102; v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; +2 more · source: NVD
SF
S1700 Firmware · Huawei
v200r009c00spc200; v200r009c00spc500; v200r010c00; v200r010c00spc300; v200r011c00; v200r011c00spc100; +1 more · source: NVD
SF
S2700 Firmware · Huawei
v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; v200r011c00spc100; v200r011c10 · source: NVD
SF
S5700 Firmware · Huawei
v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; v200r011c00spc100; v200r011c10; +1 more · source: NVD
SF
S6700 Firmware · Huawei
v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; v200r011c00spc100; v200r011c10; +1 more · source: NVD
SF
S7700 Firmware · Huawei
v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; v200r011c00spc100; v200r011c10 · source: NVD
SF
S9700 Firmware · Huawei
v200r007c01; v200r007c01b102; v200r008c00; v200r010c00; v200r010c00spc300; v200r011c00; +2 more · source: NVD
SU
Secospace Usg6300 Firmware · Huawei
v500r001c30; v500r001c60 · source: NVD
SU
Secospace Usg6500 Firmware · Huawei
v500r001c30; v500r001c60 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22321
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22321
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en
More from Nip6300 Firmware
9.8
CVE-2020-9099
Huawei products IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6300; Secospace USG6500; Secospace USG6600; USG9500 with versions of V500R001C00; V500R001C20;…
9.8
CVE-2016-4576
Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the Huawei IPS Module, NGFW Module, NIP6300, NIP6600, Secospace USG6300, USG6500, USG6600,…
8.6
CVE-2019-5254
Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;Secospace AntiDDoS8000;Secospace USG6300;Secospace…
7.5
CVE-2020-9213
There is a denial of service vulnerability in some huawei products
7.5
CVE-2020-1847
There is a denial of service vulnerability in some Huawei products