Is there a public PoC exploit available for CVE-2020-37015?

Yes, a public proof-of-concept exploit is available for CVE-2020-37015. Prioritise patching immediately. EPSS: 0.4%.

How to fix or mitigate CVE-2020-37015?

Within 24 hours: Identify and inventory all affected Ruijie switches (eWeb S29_RGOS 11.4) in your environment and assess network exposure. Within 7 days: Implement network segmentation to restrict management interface access to authorized admin networks only, and enable enhanced logging/monitoring on affected devices. Within 30 days: Contact Ruijie Networks for patch availability and schedule firmware upgrades; evaluate replacement with alternative vendors if patches remain unavailable.

CVE-2020-37015

Q: What is the CVSS score of CVE-2020-37015?

CVE-2020-37015 has a CVSS 4.0 base score of 7.1 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.4%.

HIGH

Path Traversal (CWE-22)

2026-01-29 disclosure@vulncheck.com

Path Traversal

7.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Re-analysis Queued

May 26, 2026 - 14:22 vuln.today

cvss_changed

CVSS changed

May 26, 2026 - 14:22 NVD

7.5 (HIGH) 7.1 (HIGH)

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Jan 29, 2026 - 16:31 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 15:16 nvd

HIGH 7.5

DescriptionCVE.org

Ruijie Networks Switch eWeb S29_RGOS 11.4 contains a directory traversal vulnerability that allows unauthenticated attackers to access sensitive configuration files by manipulating file path parameters. Attackers can exploit the /download.do endpoint with '../' sequences to retrieve system configuration files containing credentials and network settings.

AnalysisAI

Technical ContextAI

Classified as CWE-22 (Path Traversal). Ruijie Networks Switch eWeb S29_RGOS 11.4 contains a directory traversal vulnerability that allows unauthenticated attackers to access sensitive configuration files by manipulating file path parameters. Attackers can exploit the /download.do endpoint with '../' sequences to retrieve system configuration files containing credentials and network settings.

Affected ProductsAI

Ruijie Networks Switch eWeb S29_RGOS 11.4 contains a directory traversal vulnerability that allows unauthenticated attackers to access sensitive confi

RemediationAI

Monitor vendor advisories for a patch. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.

CVE-2020-37015 vulnerability details – vuln.today

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