CVE-2021-22340 Race condition in ManageOne;SMC2.0
A race condition in Huawei ManageOne and SMC allows a root user to crash the system via concurrent I/O operations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22340?
CVE-2021-22340 is a medium-severity vulnerability in ManageOne;SMC2.0, published on 29 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
There is a multiple threads race condition vulnerability in Huawei product. A race condition exists for concurrent I/O read by multiple threads. An attacker with the root permission can exploit this vulnerability by performing some operations. Successful exploitation of this vulnerability may cause the system to crash. Affected product versions include: ManageOne 6.5.1.SPC200, 8.0.0,8.0.0-LCND81, 8.0.0.SPC100, 8.0.1,8.0.RC2, 8.0.RC3, 8.0.RC3.SPC100;SMC2.0 V600R019C10SPC700,V600R019C10SPC702, V600R019C10SPC703,V600R019C10SPC800, V600R019C10SPC900, V600R019C10SPC910, V600R019C10SPC920, V600R019C10SPC921, V600R019C10SPC922, V600R019C10SPC930, V600R019C10SPC931
Weakness: CWE-362
Which versions are affected by CVE-2021-22340?
It affects 2 products.
Products include Huawei Manageone, Huawei Smc2.0.
How do I fix CVE-2021-22340?
No fix has been published for CVE-2021-22340 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22340 being exploited?
There is no known exploitation of CVE-2021-22340 in the wild and no public exploit code.
Other vulnerabilities in ManageOne;SMC2.0
Sources
Also known as GHSA-4wqw-j3vx-3hwj.