CVE-2020-26118 Deserialization in n/a
An authenticated attacker can execute arbitrary commands on the system by submitting a malicious serialized Java object to the Collaborator Server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26118?
CVE-2020-26118 is a high-severity unsafe deserialization vulnerability in n/a, published on 11 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In SmartBear Collaborator Server through 13.3.13302, use of the Google Web Toolkit (GWT) API introduces a post-authentication Java deserialization vulnerability. The application's UpdateMemento class accepts a serialized Java object directly from the user without properly sanitizing it. A malicious object can be submitted to the server via an authenticated attacker to execute commands on the underlying system.
Weakness: CWE-502
Which versions are affected by CVE-2020-26118?
It affects 1 product.
Products include Smartbear Collaborator.
How do I fix CVE-2020-26118?
No fix has been published for CVE-2020-26118 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-2020-26118 being exploited?
There is no known exploitation of CVE-2020-26118 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qqc4-654m-g55g.