CVE-2021-22320
What it is
There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages correctly. Attackers can exploit this vulnerability by sending malicious messages to an affected module. This can lead to denial of service. Affected product include some versions of IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500 and Secospace USG6600.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 0.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.8% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.8% · EPSS, next 30 days
- Record status
- Modified
Affected
- Huawei Ips Module Firmware v500r005c00spc100
- Huawei Ips Module Firmware v500r005c00spc200
- Huawei Ips Module Firmware v500r005c20spc300
- Huawei Ngfw Module Firmware v500r005c00spc100
- Huawei Ngfw Module Firmware v500r005c00spc200
- Huawei Ngfw Module Firmware v500r005c20spc300
- Huawei nip6600 Firmware v500r001c30spc200
- Huawei nip6600 Firmware v500r001c30spc600
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-22320.md and follow it. Check whether this project is affected by CVE-2021-22320. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-03-dos-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-03-dos-en