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High severity · published Apr 28, 2021
CVE-2021-22332
There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800. When a function is called, the same memory pointer is copied to two functional modules. Attackers can exploit this vulnerability by performing a malicious operation to cause the pointer double free. This may lead to module crash, compromising normal service.
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 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C1
Cloudengine 12800 Firmware · Huawei
v200r002c50spc800; v200r003c00spc810; v200r005c00spc800; v200r005c10spc800 · source: NVD
C5
Cloudengine 5800 Firmware · Huawei
v200r002c50spc800; v200r003c00spc810; v200r005c00spc800; v200r005c10spc800 · source: NVD
C6
Cloudengine 6800 Firmware · Huawei
v200r002c50spc800; v200r003c00spc810; v200r005c00spc800; v200r005c10spc800 · source: NVD
C7
Cloudengine 7800 Firmware · Huawei
v200r002c50spc800; v200r003c00spc810; v200r005c00spc800; v200r005c10spc800 · source: NVD
Affected product
C1
Cloudengine 12800 Firmware
Huawei
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22332
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22332
Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210407-01-doublefree-en
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