VULNERABILITY INTELLIGENCE
CVE-2021-22321
CVSS score5.3 MEDIUM
EPSS probability0.74%
CISA KEVNot currently listed
Published2021-03-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- psirt@huawei.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory