Privilege escalation in Apple macOS
CVE-2021-41388
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (12.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.netskope.com/company/security-compliance-and-assurance/netskope-security-ad… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-41388?
- CVE-2021-41388 is a high-severity vulnerability in Apple macOS, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-01-04.
- How severe is CVE-2021-41388?
- High severity. CVSS v3 base score is 7.8 out of 10.