CVE-2021-22321 is a use-after-free vulnerability affecting various Huawei products, including NIP6300/6600/6800 series, S1700/2700/5700/6700/7700/9700 series switches, and Secospace USG series firewalls. This flaw, rated Medium severity (CVSS 5.3), allows unauthenticated attackers to trigger memory use-after-free by performing specific malicious operations, leading to a denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
v500r001c30CPE matchmatch criteria | cpe:2.3:o:huawei:nip6300_firmware:v500r001c30:*:*:*:*:*:*:* | ||
v500r001c60CPE matchmatch criteria | cpe:2.3:o:huawei:nip6300_firmware:v500r001c60:*:*:*:*:*:*:* | ||
v500r001c30CPE matchmatch criteria | cpe:2.3:o:huawei:nip6600_firmware:v500r001c30:*:*:*:*:*:*:* | ||
v500r001c60CPE matchmatch criteria | cpe:2.3:o:huawei:nip6800_firmware:v500r001c60:*:*:*:*:*:*:* | ||
v200r007c01CPE matchmatch criteria | cpe:2.3:o:huawei:s12700_firmware:v200r007c01:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.