Medium severity · published Aug 14, 2025
CVE-2025-0309
Netskope Client Local Elevation of Privileges
6.0
CVSS
0.2%
EPSS
No
On KEV
Description
An insufficient validation on the server connection endpoint in Netskope Client allows local users to elevate privileges on the system. The insufficient validation allows Netskope Client to connect to any other server with Public Signed CA TLS certificates and send specially crafted responses to elevate privileges.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NC
Netskope Client · Netskope
before 129.0.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-0309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-0309
blog.amberwolf.com
https://blog.amberwolf.com/blog/2025/august/breaking-into-your-network-zer0-effort/
www.netskope.com
https://www.netskope.com/company/security-compliance-and-assurance/security-advisories-and-disclosures/netskope-security-advisory-nskpsa-2025-002
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