Security readout for executives and security teams
Plain-English summary
CVE-2021-30213 is an unauthenticated reflected XSS issue in Knowage Suite 7.3. A vulnerable public page could reflect attacker-controlled script through a request parameter, potentially affecting users who follow a crafted link. The source bundle does not provide CVSS, patch status, or confirmed exploitation.
Executive priority
Handle as a targeted web-application risk, especially for externally reachable Knowage 7.3 systems. It is not KEV-listed, but unauthenticated XSS can support credential theft or session abuse if users are lured to malicious links.
Technical view
The CVE describes script injection in Knowage Suite 7.3 at `/servlet/AdapterHTTP` through the `targetService` parameter. It is reflected XSS and does not require authentication, but successful impact typically depends on a victim user loading attacker-controlled content.
Likely exposure
Exposure is most likely where Knowage Suite 7.3 is deployed and `/servlet/AdapterHTTP` is reachable by users or the internet. The sources do not confirm affected versions beyond 7.3.
Exploitation context
The bundle includes a public proof-of-concept reference, but CISA KEV status is false and no cited source confirms active exploitation. Treat exploitability as plausible, not proven in the wild.
Researcher notes
Evidence is limited to the CVE description and a public proof-of-concept reference. No CVSS, CWE, official affected-product record, patch note, or vendor advisory is included in the bundle, so version scope and remediation specifics remain incomplete.
Mitigation direction
- Check Knowage vendor guidance for patched versions or configuration mitigations.
- Restrict public access to Knowage interfaces where business use permits.
- Prioritize upgrade or compensating controls for internet-facing deployments.
- Review input handling and output encoding around the affected parameter.
Validation and detection
- Inventory all Knowage deployments and confirm exact version numbers.
- Identify whether `/servlet/AdapterHTTP` is reachable externally or by untrusted users.
- Review web logs for suspicious requests targeting `targetService`.
- Use safe, non-executing tests to confirm whether input is reflected unsanitized.
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.
CVE-2021-30213 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/piuppi/Proof-of-Concepts/blob/main/Engineering/XSS-KnowageSuite7-3_unauth.mdCVE reference · x_refsource_MISC
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.