Security readout for executives and security teams
BroadLearning eClass has a critical access-control flaw that can let an unauthenticated remote attacker reach the administration management page without passing normal password validation. For organizations using affected eClass versions, this could expose administrative functions and sensitive data. Exposure is limited to organizations running BroadLearning eClass versions earlier than ip.2.5.10.2.1, especially if the admin page is reachable from untrusted networks or the internet. Treat this as high-priority remediation for any affected, reachable eClass system. The vulnerability is critical because it can bypass administrative password validation remotely, but the provided evidence does not confirm active exploitation. Mitigation focus: Identify all BroadLearning eClass deployments and exposed admin interfaces.; Check vendor or TWCERT guidance for the corrected version and upgrade path.; Upgrade affected versions earlier than ip.2.5.10.2.1 where applicable..
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
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ATT&CK lookup starting points
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CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-9884 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.8CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://tvn.twcert.org.tw/taiwanvn/TVN-201904004CVE reference · x_refsource_CONFIRM
- https://zeroday.hitcon.org/vulnerability/ZD-2019-00332CVE reference · x_refsource_CONFIRM
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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.