CVE-2021-26558 Deserialization of Untrusted Data
An attacker can exploit unsafe deserialization in Apache ShardingSphere-UI to inject resources, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26558?
CVE-2021-26558 is a high-severity unsafe deserialization vulnerability in Apache ShardingSphere-UI, published on 11 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.
Weakness: CWE-502
Which versions are affected by CVE-2021-26558?
It affects 1 product.
Products include Apache Shardingsphere-Ui.
How do I fix CVE-2021-26558?
No fix has been published for CVE-2021-26558 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2021-26558 being exploited?
There is no known exploitation of CVE-2021-26558 in the wild and no public exploit code.
Sources
Also known as GHSA-w8p9-6h94-xwwm.