Security readout for executives and security teams
Plain-English summary
A local, low-privileged user on an endpoint with Netskope Client through release 77 could gain NT AUTHORITY\SYSTEM privileges. That means a normal user could potentially become the most powerful local Windows account. The sources provide limited technical detail and no CVSS score.
Executive priority
Prioritize remediation where Netskope Client through 77 remains deployed. The vulnerability enables full local endpoint control after low-privileged access, which can materially worsen ransomware, insider, or post-compromise scenarios. Urgency is high, but source evidence does not support claims of active exploitation.
Technical view
CVE-2020-24576 is a local privilege escalation issue in Netskope Client through version 77. The documented impact is elevation from low privilege to NT AUTHORITY\SYSTEM. Public source data does not identify the vulnerable component, CWE, CVSS vector, exploit maturity, or detailed remediation steps beyond the vendor Release 78 advisory reference.
Likely exposure
Exposure is most relevant to organizations running Netskope Client through release 77 on endpoints. The SYSTEM account reference indicates Windows endpoint impact. Internet-facing exposure is not indicated; attacker foothold or local user access appears necessary based on the CVE description.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as CISA KEV in the bundle. Treat this as a post-compromise or insider-risk escalation path rather than a remote initial-access issue unless vendor guidance says otherwise.
Researcher notes
The public record is sparse: no CVSS, CWE, root-cause detail, affected platform list, or exploit status is included in the source bundle. Avoid assuming remote exploitability. Validation should focus on version exposure and vendor advisory alignment, not exploit reproduction.
Mitigation direction
- Identify endpoints running Netskope Client release 77 or earlier.
- Review Netskope Release 78 advisory NSKPSA2020-001 for vendor remediation guidance.
- Upgrade affected Netskope Client installations according to vendor guidance.
- Prioritize systems used by administrators or high-value users.
- Monitor vendor advisories for any additional affected-version clarification.
Validation and detection
- Inventory installed Netskope Client versions across managed endpoints.
- Confirm whether any clients are release 77 or earlier.
- Check endpoint management records for successful client upgrades.
- Review local endpoint privilege events for unusual SYSTEM-level process activity.
- Document remediation exceptions and compensating controls.
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-2020-24576 mapping review
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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.netskope.com/CVE reference · x_refsource_MISC
- https://www.netskope.com/company/security-compliance-and-assurance/release-78-security-advisory-nskpsa2020-001CVE 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.