CVE-2020-17405 Deserialization in Symphony
Network-adjacent attackers can execute arbitrary code with SYSTEM privileges via unsafe deserialization in the SSOAuth process.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17405?
CVE-2020-17405 is a high-severity unsafe deserialization vulnerability in Senstar Symphony, published on 1 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Senstar Symphony 7.3.2.2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SSOAuth process. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-10980.
Weakness: CWE-502
Which versions are affected by CVE-2020-17405?
It affects 1 product.
Products include Senstar Symphony.
How do I fix CVE-2020-17405?
No fix has been published for CVE-2020-17405 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-2020-17405 being exploited?
There is no known exploitation of CVE-2020-17405 in the wild and no public exploit code.
Sources
Also known as GHSA-39c2-x5w3-56xm.