Security readout for executives and security teams
Plain-English summary
Sunnet eHRD versions 8 and 9 have a broken access control flaw. A logged-in attacker could access functions or data they should not be allowed to see or change by reaching a specific URL.
Executive priority
Treat this as a high-priority HR system risk. eHRD likely contains employee or training data, and the vulnerability may allow unauthorized viewing or modification after login.
Technical view
CVE-2020-10510 is an authenticated, network-accessible authorization bypass in Sunnet eHRD 8 and 9. CVSS 3.1 is 8.1: low complexity, privileges required, no user interaction, high confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to organizations running Sunnet eHRD 8 or 9. Risk is higher where the portal is reachable by many users or from the internet. A valid login is required.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The flaw is still serious because exploitation requires only authenticated access and no user interaction.
Researcher notes
Public details are sparse. The bundle names broken access control but provides no endpoint, no CWE, and no confirmed patch version. Do not assume affected versions beyond Sunnet eHRD 8 and 9.
Mitigation direction
- Identify whether Sunnet eHRD 8 or 9 is deployed.
- Check Sunnet, TWCERT, and CHT Security guidance for fixed versions or vendor workarounds.
- Limit eHRD access to trusted networks while remediation is confirmed.
- Review user accounts and remove unnecessary or stale access.
- Increase monitoring for unauthorized access to sensitive eHRD functions.
Validation and detection
- Confirm deployed Sunnet eHRD version numbers against versions 8 and 9.
- Review access controls around sensitive functions and direct URL access.
- Check logs for authenticated users accessing unusual administrative or data pages.
- Verify vendor remediation status before closing the finding.
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
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CVE-2020-10510 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:L/UI:N/S:U/C:H/I:H/A:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.chtsecurity.com/news/30772cf1-2e7e-4afe-9282-b5a196b22e71CVE reference · x_refsource_CONFIRM
- https://www.twcert.org.tw/tw/cp-132-3450-69466-1.htmlCVE 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.