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CVE-2021-41388

HIGH
7.8
CVSS Score
Published: January 4, 2022 at 09:34 PM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorNetskope· also runs on 1 platform

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netskope· Netskope
95%
v < 89
Affected range stops below 89, so it looks safe — our inference, not a vendor statement
apple-macos (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://www.netskope.com/company/security-compliance-and-assurance/netskope-security-advisory-nskpsa-2021-002

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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