Deserialization in Senstar Symphony

CVE-2020-17405

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.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-17405: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-17405?
CVE-2020-17405 is a high-severity vulnerability in Senstar Symphony, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2020-09-01.
How severe is CVE-2020-17405?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-17405 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.