TI-2021-18205 Aliases CVE-2021-41388 GHSA-7hpm-hh7x-5m56

Netskope client prior to 89.x on macOS is impacted by a local privilege escalation…

LOW 34CWE-269Published 2022-01-04 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Privilege escalation
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

Netskope client prior to 89.x on macOS is impacted by a local privilege escalation vulnerability. The XPC implementation of nsAuxiliarySvc process does not perform validation on new connections before accepting the connection. Thus any low privileged user can connect and call external methods defined in XPC service as root, elevating their privilege to the highest level.

Why it matters now

EPSS 0.00245 15th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:netskope:netskope::::::::	before 89	Vulnerable	Netskope
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple

cpe:2.3:a:netskope:netskope:*:*:*:*:*:*:*:* Versions before 89 Vulnerable ·Netskope
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-41388
2026-10-03 Alias added: GHSA-7hpm-hh7x-5m56

References

Patch 1

https://www.netskope.com/company/security-compliance-and-assurance/netskope-security-advisory-nskpsa-2021-002

TI-2020-15056 Netskope Client through 77 allows low-privileged users to elevate their privileges to NT AUTHORITY\SYSTEM. CVSS 3.1HIGH 8.8
TI-2024-06860 Client Enrollment Process Bypass CVSS 4.0HIGH 8.5
TI-2023-04599 Local privilege escalation in Netskope Client CVSS 3.1HIGH 8.8
TI-2021-20302 Sensitive Information store in NSClient logs CVSS 3.1HIGH 8.4
TI-2023-02129 Local privilege escalation in Netskope Client CVSS 3.1HIGH 7.8
TI-2020-17407 A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an… CVSS 3.1HIGH 7.8

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences