Insecure Direct Object Reference Vulnerability in Sony BRAVIA Digital Signage
CVE-2020-36923

6.9MEDIUM

Key Information:

Vendor

Sony Electronics Inc.

Status
Sony Bravia Digital Signage
Vendor
CVE Published:
6 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36923?

Sony BRAVIA Digital Signage version 1.7.8 is susceptible to an insecure direct object reference issue, which permits attackers to circumvent authorization controls. This vulnerability can be exploited to gain unauthorized access to hidden system resources, including the '/#/content-creation' path, by altering the client-side access restrictions. This can potentially expose sensitive data and functionalities that are meant to be protected, posing a significant security risk to users of the affected product.

Affected Version(s)

Sony BRAVIA Digital Signage <=1.7.8

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36923 - Proof of Concept

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-56...
third-party-advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/192607
vdb-entry
https://cxsecurity.com/issue/WLB-2020120031
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2020-36923 : Insecure Direct Object Reference Vulnerability in Sony BRAVIA Digital Signage