CVE-2020-36923
Sony BRAVIA Digital Signage 1.7.8 Client-Side Protection Bypass via IDOR
Description
Sony BRAVIA Digital Signage 1.7.8 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization controls. Attackers can access hidden system resources like '/#/content-creation' by manipulating client-side access restrictions.
INFO
Published Date :
Jan. 6, 2026, 4:15 p.m.
Last Modified :
Jan. 22, 2026, 9:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | CRITICAL | MITRE-CVE | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Implement robust authorization controls for all system resources.
- Validate user permissions before granting access.
- Avoid exposing direct references to internal objects.
Public PoC/Exploit Available at Github
CVE-2020-36923 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-36923.
| URL | Resource |
|---|---|
| https://cxsecurity.com/issue/WLB-2020120031 | Third Party Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/192607 | Third Party Advisory |
| https://packetstormsecurity.com/files/160344 | Third Party Advisory |
| https://pro-bravia.sony.net | Product |
| https://pro-bravia.sony.net/resources/software/bravia-signage/ | Product |
| https://pro.sony/ue_US/products/display-software | Product |
| https://www.vulncheck.com/advisories/sony-bravia-digital-signage-client-side-protection-bypass-via-idor | Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php | Exploit Third Party Advisory |
| https://www.zeroscience.mk/codes/sonybravia_idor.txt | Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-36923 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-36923
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
EPSS & VEDAS Score Aggregator for CVEs
cve vulnerability exploit epss vedas exploit-maturity
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-36923 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-36923 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 22, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:sony:bravia_signage:*:*:*:*:*:*:*:* versions up to (including) 1.7.8 Added Reference Type VulnCheck: https://cxsecurity.com/issue/WLB-2020120031 Types: Third Party Advisory Added Reference Type VulnCheck: https://exchange.xforce.ibmcloud.com/vulnerabilities/192607 Types: Third Party Advisory Added Reference Type VulnCheck: https://packetstormsecurity.com/files/160344 Types: Third Party Advisory Added Reference Type VulnCheck: https://pro.sony/ue_US/products/display-software Types: Product Added Reference Type VulnCheck: https://pro-bravia.sony.net Types: Product Added Reference Type VulnCheck: https://pro-bravia.sony.net/resources/software/bravia-signage/ Types: Product Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/sony-bravia-digital-signage-client-side-protection-bypass-via-idor Types: Third Party Advisory Added Reference Type VulnCheck: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://www.zeroscience.mk/codes/sonybravia_idor.txt Types: Third Party Advisory Added Reference Type CISA-ADP: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 06, 2026
Action Type Old Value New Value Added Reference https://www.zeroscience.mk/codes/sonybravia_idor.txt Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php -
New CVE Received by [email protected]
Jan. 06, 2026
Action Type Old Value New Value Added Description Sony BRAVIA Digital Signage 1.7.8 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization controls. Attackers can access hidden system resources like '/#/content-creation' by manipulating client-side access restrictions. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-639 Added Reference https://cxsecurity.com/issue/WLB-2020120031 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/192607 Added Reference https://packetstormsecurity.com/files/160344 Added Reference https://pro.sony/ue_US/products/display-software Added Reference https://pro-bravia.sony.net Added Reference https://pro-bravia.sony.net/resources/software/bravia-signage/ Added Reference https://www.vulncheck.com/advisories/sony-bravia-digital-signage-client-side-protection-bypass-via-idor Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php