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CVE Record

CVE-2019-16638: An issue was found on the Ruijie EG-2000 series gateway.

An issue was found on the Ruijie EG-2000 series gateway. An attacker can easily dump cleartext stored passwords in /data/config.text with simple XORs. This affects EG-2000SE EG_RGOS 11.1(1)B1.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw can expose stored gateway passwords in readable form on affected Ruijie EG-2000SE firmware. The main business risk is credential disclosure: an attacker who obtains these passwords could reuse them to access network infrastructure or related services.

Executive priority

Treat this as high priority where affected gateways are deployed, especially in perimeter or branch-network roles. The immediate concern is credential exposure, not service outage. Confirm exposure quickly and rotate potentially exposed credentials after containment planning.

Technical view

CVE-2019-16638 is CWE-312 cleartext storage of sensitive information affecting Ruijie EG-2000SE EG_RGOS 11.1(1)B1. The CVSS 3.1 score is 7.5, driven by network reachability, no required privileges, no user interaction, and high confidentiality impact.

Likely exposure

Exposure is most likely in organizations running Ruijie EG-2000 series gateways, specifically EG-2000SE with EG_RGOS 11.1(1)B1. The provided CVE metadata does not list complete CPEs or broader affected versions, so asset confirmation is required.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. A public technical reference exists, but the provided evidence supports vulnerability disclosure, not confirmed exploitation in the wild.

Researcher notes

The public record is narrow: one affected firmware string, CWE-312, and confidentiality-only CVSS impact. The affected vendor/product fields in the bundle are incomplete, so do not assume other Ruijie models or releases without vendor confirmation.

Mitigation direction

  • Identify any Ruijie EG-2000SE devices and confirm firmware versions.
  • Check Ruijie guidance for fixed firmware or supported remediation.
  • Restrict management and network exposure to trusted administrative paths.
  • Rotate passwords stored on affected devices if exposure is suspected.
  • Replace or isolate unsupported affected gateways if no vendor fix exists.

Validation and detection

  • Inventory Ruijie EG-2000 series gateways across all sites.
  • Confirm whether EG-2000SE EG_RGOS 11.1(1)B1 is present.
  • Review vendor advisories for exact affected versions and fixes.
  • Assess whether stored device credentials may have been exposed.
  • Review authentication logs for unusual access using gateway credentials.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CWE-312: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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.

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cve · low confidence lookup

CVE-2019-16638 mapping review

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Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2019-16638Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE-312

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-312 · source CWE mapping

Cleartext Storage of Sensitive Information

Cleartext Storage of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs