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01 Record

CVE-2021-22321

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

UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.74% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 54.3% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-03-22 19:03Z5 YR AGO
Last updated
2024-08-03 18:37Z2 YR AGO
Reserved
2021-01-05
Assigning CNA
huawei
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
7603cac56a584bd471616bbe4438a67fec7e1adaf894807b23a59c3d80244ecb

05 Affected products

VendorProductVersionsPlatforms
n/aNIP6600;NIP6800;S12700;S1700;S2700;S5700;S6700;S7700;S9700;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500V500R001C30,V500R001C60, V500R001C30, V500R001C60, V200R007C01,V200R007C01B102,V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10, V200R009C00SPC200,V200R009C00SPC500,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10, V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10, V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10,V200R011C10SPC100—

06 References