CVE-2020-36921

CVE-2020-36921 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-548.

Key facts

Description

RED-V Super Digital Signage System 5.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive webserver log files. Attackers can visit multiple endpoints to retrieve system resources and debug log information without authentication.

Frequently asked questions

What is CVE-2020-36921?
RED-V Super Digital Signage System 5.1.1 contains an information disclosure vulnerability that allows unauthenticated attackers to access sensitive webserver log files. Attackers can visit multiple endpoints to retrieve system resources and debug log information without authentication.
How severe is CVE-2020-36921?
CVE-2020-36921 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-36921 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36921?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-36921 have an EU (EUVD) identifier?
Yes. CVE-2020-36921 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1020.
When was CVE-2020-36921 published?
CVE-2020-36921 was published on 2026-01-06 and last updated on 2026-06-17.

References

Other CWE-548 vulnerabilities

Browse all CWE-548 vulnerabilities →