Security readout for executives and security teams
Plain-English summary
This CVE describes stored cross-site scripting in NETSCOUT nGeniusONE 6.3.0 build 1004 and earlier, specifically in the Packet Analysis module. A malicious stored entry could potentially execute script when viewed by another user. The public bundle does not provide CVSS, impact detail, patch version, or evidence of active exploitation.
Executive priority
Prioritize identification and vendor-guided remediation where nGeniusONE is used for security or network operations. Business urgency is unclear because severity and exploit evidence are missing, but stored XSS in an administrative monitoring platform can create account and workflow risk.
Technical view
The issue is a stored XSS vulnerability affecting the Packet Analysis module in NETSCOUT nGeniusONE 6.3.0 build 1004 and earlier. The source data does not identify CWE, prerequisites, authentication requirements, affected parameters, or remediation build. Treat the technical details as incomplete and verify directly against NETSCOUT advisories.
Likely exposure
Exposure is likely limited to organizations running NETSCOUT nGeniusONE 6.3.0 build 1004 or earlier with users accessing the Packet Analysis module. The sources do not establish internet exposure, default configuration exposure, or whether authentication is required.
Exploitation context
The provided sources do not report active exploitation, and this CVE is not listed as KEV in the bundle. Stored XSS generally depends on placing content that later renders for another user, but no specific exploit path is provided here.
Researcher notes
The public record is sparse: no CVSS, CWE, affected CPEs, exploit prerequisites, or fixed release are included in the supplied bundle. Analysis should avoid assuming unauthenticated reachability or public exploitability. Use NETSCOUT’s advisory page as the authoritative source for remediation details.
Mitigation direction
- Check NETSCOUT security advisories for the fixed version or official workaround.
- Upgrade affected nGeniusONE deployments according to vendor guidance.
- Restrict management and Packet Analysis access to trusted administrative networks.
- Limit user privileges for accounts that can submit or view packet analysis content.
- Monitor vendor updates if no remediation detail is currently available.
Validation and detection
- Inventory nGeniusONE versions and identify builds at or below 6.3.0 build 1004.
- Confirm whether the Packet Analysis module is enabled or actively used.
- Review NETSCOUT advisory content for affected builds and remediation status.
- Check access controls for the nGeniusONE management interface.
- Review application logs for unusual activity around packet analysis views or submissions.
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-2021-35198 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://www.netscout.com/securityadvisoriesCVE 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.