RED-V Super Digital Signage System RXV-A740R 5.1.1 exposure of information through directory listing

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in RED-V Super Digital Signage System RXV-A740R 5.1.1. It has been rated as problematic. Affected by this issue is some unknown functionality. This manipulation causes exposure of information through directory listing. This vulnerability appears as CVE-2020-36921. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in RED-V Super Digital Signage System RXV-A740R 5.1.1. It has been declared as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a exposure of information through directory listing vulnerability. The CWE definition for the vulnerability is CWE-548. A directory listing is inappropriately exposed, yielding potentially sensitive information to attackers. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was presented by Gjoko Krstic as ZSL-2020-5609. It is possible to read the advisory at zeroscience.mk. This vulnerability is known as CVE-2020-36921 since 01/03/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1083 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Exposure of information through directory listing
CWE: CWE-548 / CWE-552 / CWE-425
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/03/2026 CVE reserved
01/06/2026 +3 days Advisory disclosed
01/06/2026 +0 days VulDB entry created
01/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: ZSL-2020-5609
Researcher: Gjoko Krstic
Status: Not defined

CVE: CVE-2020-36921 (🔒)
GCVE (CVE): GCVE-0-2020-36921
GCVE (VulDB): GCVE-100-339703

Entryinfo

Created: 01/06/2026 17:09
Changes: 01/06/2026 17:09 (74)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!