Security readout for executives and security teams
Plain-English summary
CVE-2020-37015 lets unauthenticated attackers read sensitive configuration files from affected Ruijie Networks switch eWeb interfaces. Those files may contain credentials and network settings. The business risk is credential exposure and easier follow-on access to network infrastructure.
Executive priority
Prioritize this for any internet-facing or broadly reachable Ruijie switch management interface. The vulnerability does not directly provide code execution, but it can expose credentials and network configuration that materially increase breach risk.
Technical view
The issue is a CWE-22 directory traversal in Ruijie Networks Switch eWeb S29_RGOS 11.4(1)B12P11. The vulnerable download function can be abused to access files outside the intended directory. CVSS is 7.5 because it is network-reachable, low-complexity, requires no login, and primarily impacts confidentiality.
Likely exposure
Exposure is most likely where the affected eWeb management interface is reachable from the internet, shared networks, or untrusted internal segments. Organizations using the named Ruijie switch software version should treat accessible management interfaces as at risk.
Exploitation context
A public ExploitDB entry exists, so defenders should assume exploit knowledge is available. The provided sources do not show CISA KEV listing or confirmed active exploitation. The likely attacker goal is reading configuration data, credentials, and network details for later intrusion activity.
Researcher notes
Sources name one affected version and describe unauthenticated directory traversal through the eWeb download function. The bundle does not include a vendor patch advisory or active exploitation evidence. Avoid assuming impact beyond configuration disclosure unless confirmed in the environment.
Mitigation direction
- Check Ruijie guidance for fixed software or official mitigation for this model and version.
- Restrict eWeb management access to trusted admin networks only.
- Block internet access to switch management interfaces.
- Rotate credentials found in switch configuration files if exposure is suspected.
- Review network device backups and configs for sensitive stored secrets.
Validation and detection
- Inventory Ruijie switches and identify eWeb S29_RGOS 11.4(1)B12P11 installations.
- Confirm whether eWeb management is reachable from untrusted networks.
- Review logs for unusual download activity against the management interface.
- Assess whether configuration files contain reusable credentials or sensitive topology data.
- Verify vendor-recommended updates or compensating controls are applied.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-37015 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48755CVE reference · exploit
- Ruijie Networks Official HomepageCVE reference · product
- Directory Traversal Vulnerability SourceCVE reference · product
- VulnCheck Advisory: Ruijie Networks Switch eWeb S29_RGOS 11.4 - Directory TraversalCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.