Security readout for executives and security teams
Plain-English summary
A Netskope Windows client service running as NT\SYSTEM can be crashed by a local user through its localhost connection handling. The main confirmed business risk is endpoint security service disruption, with possible additional local system impact not fully detailed in the provided sources.
Executive priority
Treat this as a moderate endpoint resilience issue. It is not presented as remotely exploitable or actively exploited, but it affects a security control running with high privileges and can disrupt protection on impacted endpoints.
Technical view
CVE-2019-10882 is a stack-based buffer overflow in the Netskope client service doHandshakefromServer function. The service accepts localhost connections and runs with NT\SYSTEM privilege. The CVSS vector is local, low complexity, low privileges, no user interaction, with high availability impact.
Likely exposure
Exposure is likely limited to Windows endpoints running Netskope client v57 before 57.2.0.219 or v60 before 60.2.0.214. The source bundle also lists version 54; confirm exact fleet impact against Netskope guidance.
Exploitation context
The sources support local exploitation by an authenticated local user, primarily to crash the service. The CVE is not listed as CISA KEV, and the provided sources do not state active exploitation in the wild.
Researcher notes
The key technical facts are localhost-only reachability, low-privileged local attacker requirement, stack overflow class, and NT\SYSTEM service context. Sources confirm denial-of-service impact and only describe additional impact as potential, so avoid claiming code execution without stronger evidence.
Mitigation direction
- Upgrade affected Netskope client deployments to the fixed vendor versions or later.
- Confirm remediation guidance against current Netskope support documentation.
- Prioritize endpoints shared by multiple users or exposed to untrusted local accounts.
- Monitor for repeated Netskope client service crashes or restart loops.
- Include this check in endpoint software compliance reporting.
Validation and detection
- Inventory installed Netskope client versions across managed Windows endpoints.
- Flag v57 builds before 57.2.0.219 and v60 builds before 60.2.0.214.
- Review endpoint logs for Netskope client service crashes.
- Confirm the service is patched after upgrade and remains stable.
- Document any version 54 findings for vendor confirmation.
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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CWE-120: Exact CWE lookup
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Open ATT&CK lookupCVE-2019-10882 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.5MediumVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.netskope.com/hc/article_attachments/360033003553/Sprint_62_Release_Notes.pdfCVE reference · x_refsource_CONFIRM
- https://support.netskope.com/hc/en-us/articles/360014589894-Netskope-ClientCVE reference · x_refsource_CONFIRM
- https://airbus-seclab.github.io/advisories/netskope.htmlCVE 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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.