by Kastro
Paper/Archive/CVE-2020-36870

CVE-2020-36870

Beijing Star-Net Ruijie Network Technology Co., Ltd. RG-EG1000C — Ruijie Gateway EG & NBR Models v11.1(6)B9P1 - 11.9(4)B12P1 RCE

EPSS 0.6%CVSS 9.2
critical.is priorityof 100
38
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 49.7.497 × 209.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Various Ruijie Gateway EG and NBR models firmware versions 11.1(6)B9P1 < 11.9(4)B12P1 contain a code execution vulnerability in the EWEB management system that can be abused via front-end functionality. Attackers can exploit front-end code when features such as guest authentication, local server authentication, or screen mirroring are enabled to gain access or execute commands on affected devices. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-02-05 UTC.

Affected

ProductAffectedFixed inSource
RG-EG1000C11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000F11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000K11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000L11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000CE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000SE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000GE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000XE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG2000UE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG3000CE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG3000SE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA
RG-EG3000GE11.1(6)B9P1 – < 11.9(4)B12P111.9(4)B12P1CNA

Scores by source

VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchruijie.com.cn/gy/xw-aqtg-zw/85638patchruijie.com.cn/gy/xw-aqtg-gw/86747writeupcnvd.org.cn/flaw/show/CNVD-2021-09650writeupvulncheck.com/advisories/ruijie-networks-eg-and-nbr-series-routers-rce