← Vulnerability feed

Vulnerability record · CVE-2020-21627 · published 16 November 2021

CVE-2020-21627: Ruijie rg-uac firmware vulnerability

Ruijie · Rg Uac Firmware

Ruijie RG-UAC commit 9071227 was discovered to contain a vulnerability in the component /current_action.php?action=reboot, which allows attackers to cause a denial of service (DoS) via unspecified vectors.

7.5 CVSS 3.1 High EPSS 0.96% · top 39.9%
7.5CVSS 3.1 base score, v2 5.0
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Ruijie RG-UAC commit 9071227 was discovered to contain a vulnerability in the component /current_action.php?action=reboot, which allows attackers to cause a denial of service (DoS) via unspecified vectors.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Sm1L3ing/ACSEC/blob/master/Ruijie-RG-UAC Third Party Advisory
https://github.com/Sm1L3ing/ACSEC/blob/master/Ruijie-RG-UAC Third Party Advisory

Track CVE-2020-21627 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

5.3CVE-2024-6186Ruijie rg-uac firmware os command injection vulnerabilityA vulnerability, which was classified as critical, was found in Ruijie RG-UAC 1.0. This affects an unknown part of the file /view/userAuthentication/…EPSS 8.7%5.3CVE-2024-6187Ruijie rg-uac firmware os command injection vulnerabilityA vulnerability has been found in Ruijie RG-UAC 1.0 and classified as critical. This vulnerability affects unknown code of the file /view/vpn/autovpn…EPSS 7.6%5.3CVE-2024-6184Ruijie rg-uac firmware os command injection vulnerabilityA vulnerability classified as critical was found in Ruijie RG-UAC 1.0. Affected by this vulnerability is an unknown functionality of the file /view/s…EPSS 9.7%5.3CVE-2024-6185Ruijie rg-uac firmware os command injection vulnerabilityA vulnerability, which was classified as critical, has been found in Ruijie RG-UAC 1.0. Affected by this issue is the function get_ip_addr_details of…EPSS 9.1%5.1CVE-2024-6269Ruijie rg-uac firmware command injection vulnerabilityA vulnerability has been found in Ruijie RG-UAC 1.0 and classified as critical. This vulnerability affects the function get_ip.addr_details of the fi…EPSS 21%

Source: NIST National Vulnerability Database (record CVE-2020-21627), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.