CVE-2020-36923
CVE-2020-36923 is a critical-severity vulnerability in Sony Bravia Signage with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 6.9
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-0956
- Weakness: CWE-639
- Affected product: Sony Bravia Signage
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-36923?
- 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.
- How severe is CVE-2020-36923?
- CVE-2020-36923 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-36923 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-36923?
- CVE-2020-36923 affects Sony Bravia Signage. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-36923?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2020-36923 have an EU (EUVD) identifier?
- Yes. CVE-2020-36923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0956.
- When was CVE-2020-36923 published?
- CVE-2020-36923 was published on 2026-01-06 and last updated on 2026-06-17.
References
- https://cxsecurity.com/issue/WLB-2020120031
- https://exchange.xforce.ibmcloud.com/vulnerabilities/192607
- https://packetstormsecurity.com/files/160344
- https://pro-bravia.sony.net
- https://pro-bravia.sony.net/resources/software/bravia-signage/
- https://pro.sony/ue_US/products/display-software
- https://www.vulncheck.com/advisories/sony-bravia-digital-signage-client-side-protection-bypass-via-idor
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5611.php
- https://www.zeroscience.mk/codes/sonybravia_idor.txt
Affected products (1)
- cpe:2.3:a:sony:bravia_signage:*:*:*:*:*:*:*:*
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