CVE-2021-22396
What it is
There is a privilege escalation vulnerability in some Huawei products. Due to improper privilege management, a local attacker with common privilege may access some specific files in the affected products. Successful exploit will cause privilege escalation.Affected product versions include:eCNS280_TD V100R005C00,V100R005C10;eSE620X vESS V100R001C10SPC200,V100R001C20SPC200.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.1% 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: 0.1% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.1% · EPSS, next 30 days
- Weakness
- CWE-269 · Improper privilege management
- Record status
- Modified
Affected
- Huawei ecns280 Td Firmware v100r005c00
- Huawei ecns280 Td Firmware v100r005c10
- Huawei ese620x Vess Firmware v100r001c10spc200
- Huawei ese620x Vess Firmware v100r001c20spc200
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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-2021-22396.md and follow it. Check whether this project is affected by CVE-2021-22396. 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-20210714-01-privilege-en
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210714-01-privilege-en