CVE-2019-6834 Deserialization in Software Update (SESU) – SUT Service component
An attacker can execute arbitrary code with SYSTEM privileges by exploiting a deserialization flaw in the Schneider Electric Software Update service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-6834?
CVE-2019-6834 is a high-severity unsafe deserialization vulnerability in Schneider Electric Software Update (SESU) – SUT Service component, published on 28 Mar 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A CWE-502: Deserialization of Untrusted Data vulnerability exists which could allow an attacker to execute arbitrary code on the targeted system with SYSTEM privileges when placing a malicious user to be authenticated for this vulnerability to be successfully exploited. Affected Product: Schneider Electric Software Update (SESU) SUT Service component (V2.1.1 to V2.3.0)
Weakness: CWE-502
Which versions are affected by CVE-2019-6834?
It affects 1 product.
Products include Schneider-Electric Software Update.
How do I fix CVE-2019-6834?
No fix has been published for CVE-2019-6834 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-2019-6834 being exploited?
There is no known exploitation of CVE-2019-6834 in the wild and no public exploit code.
Other vulnerabilities in Schneider Electric Software Update (SESU) – SUT Service component
Sources
Also known as GHSA-qc38-9722-jv2x.