CVE-2021-22321 — medium severity vulnerability | Dragons Community

Signals

NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-8037 · Progress LoadMaster Command Injection Vulnerability · Added 2026-08-07 · Due 2026-08-10CISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08NVD · CVE-2026-64604 · In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode When updating CR8NVD · CVE-2026-64603 · In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-hid: Protect ACPI notify handler against recursion Since commit e2ffcda1NVD · CVE-2026-64602 · In the Linux kernel, the following vulnerability has been resolved: iio: adc: spear: Initialize completion before requesting IRQ In the report from Jaeyoung ChuNVD · CVE-2026-64601 · In the Linux kernel, the following vulnerability has been resolved: ALSA: us144mkii: capture_urb_complete: redundant usb_anchor_urb corrupts anchor list on eachCISA KEV · CVE-2026-8037 · Progress LoadMaster Command Injection Vulnerability · Added 2026-08-07 · Due 2026-08-10CISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08

DRAGONS COMMUNITY

CVE-2021-22321

· MEDIUMModified

CVSS v3.1

5.3

EPSS

0.71%

Published

Mar 22, 2021

Modified

Nov 21, 2024

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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

Weaknesses (CWE)

CWE-416

Affected Products (75)

huawei · nip6300_firmwarevulnerable

huawei · nip6300_firmwarevulnerable

huawei · nip6300

huawei · nip6600_firmwarevulnerable

huawei · nip6600

huawei · nip6800_firmwarevulnerable

huawei · nip6800

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700_firmwarevulnerable

huawei · s12700

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700_firmwarevulnerable

huawei · s1700

huawei · s2700_firmwarevulnerable

huawei · s2700_firmwarevulnerable

huawei · s2700_firmwarevulnerable

huawei · s2700_firmwarevulnerable

huawei · s2700_firmwarevulnerable

huawei · s2700_firmwarevulnerable

huawei · s2700

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700_firmwarevulnerable

huawei · s5700

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700_firmwarevulnerable

huawei · s6700

huawei · s7700_firmwarevulnerable

huawei · s7700_firmwarevulnerable

huawei · s7700_firmwarevulnerable

...and 25 more

References (2)

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en

Vendor Advisory

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en

Vendor Advisory

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