CVE-2021-22423 Integer overflow in HarmonyOS
Local attackers can exploit an integer overflow leading to out-of-bounds write in HarmonyOS, potentially enabling code execution or 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-2021-22423?
CVE-2021-22423 is a high-severity vulnerability in Huawei Harmonyos, published on 3 Aug 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 Out-of-bounds Write Vulnerability. Local attackers may exploit this vulnerability to cause integer overflow.
Weakness: CWE-787
Which versions are affected by CVE-2021-22423?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2021-22423?
No fix has been published for CVE-2021-22423 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22423 being exploited?
There is no known exploitation of CVE-2021-22423 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-jqr5-r9j2-p8qr.