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CVE Record

CVE-2020-10509: Sunnet eHRD - Cross-Site Scripting

Sunnet eHRD, a human training and development management system, contains vulnerability of Cross-Site Scripting (XSS), attackers can inject arbitrary command into the system and launch XSS attack.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Sunnet eHRD versions 8 and 9 have a cross-site scripting flaw. An attacker could get a user to interact with malicious content and run script in that user’s browser session, risking limited data exposure or unauthorized changes.

Executive priority

Treat as a scheduled remediation item, not an emergency, unless Sunnet eHRD is internet-facing or handles sensitive HR training data. Prioritize version confirmation and vendor remediation tracking.

Technical view

CVE-2020-10509 is CWE-79 XSS in Sunnet eHRD 8 and 9. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.

Likely exposure

Organizations using Sunnet eHRD 8 or 9, especially where the application is reachable by employees or over the internet. Exposure depends on deployed version and whether vulnerable input is accessible to attackers.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires user interaction, consistent with reflected or stored XSS risk, but the provided sources do not specify the exact affected field or workflow.

Researcher notes

Evidence confirms affected product and versions but lacks endpoint detail, exploit status, and fixed-version information. Avoid assuming a specific XSS variant or patch level beyond the CVE bundle.

Mitigation direction

  • Check Sunnet, TWCERT, and CHT Security guidance for supported fixes.
  • Upgrade or apply vendor-provided remediation when confirmed available.
  • Restrict eHRD access to trusted networks and users until remediated.
  • Review and remove suspicious user-supplied content in eHRD.
  • Monitor web logs for repeated script-like input patterns.

Validation and detection

  • Inventory Sunnet eHRD deployments and confirm version numbers.
  • Flag Sunnet eHRD 8 and 9 as affected.
  • Review vendor advisories for exact fixed versions or workarounds.
  • Safely test output encoding on user-supplied fields.
  • Confirm security controls without using destructive payloads.
Prepared
Confidence
medium
Sources
4

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 · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookup
cve · low confidence lookup

CVE-2020-10509 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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
3Source 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
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2020-10509Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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
SunneteHRD8, 9Listed
Weakness

CWE details

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