CVE-2021-22326 Privilege escalation in HarmonyOS
Local attackers can exploit a privilege dropping error in HarmonyOS to gain kernel space read/write capabilities, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22326?
CVE-2021-22326 is a high-severity vulnerability in Huawei Harmonyos, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Local attackers may exploit this vulnerability to obtain Kernel space read/write capability.
Weakness: CWE-269
Which versions are affected by CVE-2021-22326?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22326?
No fix has been published for CVE-2021-22326 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22326 being exploited?
There is no known exploitation of CVE-2021-22326 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-c2pf-5922-6c68.