Netskope client buffer overflow vulnerability
Published Sep 26, 2019
7.8
HIGHCVSS 3.1
EPSS 0.43%
Description
The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts network connections from localhost. The connection handling function in this service suffers from a stack based buffer overflow in "doHandshakefromServer" function. Local users can use this vulnerability to trigger a crash of the service and potentially cause additional impact on the system.
Affected products
-
- Version 54StatusaffectedConstraints<Netskope client*
- Version Netskope client 57.2.0.219StatusunaffectedConstraints-
- Version Netskope client 60.2.0.214StatusunaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Netskope | Netskope client | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
Remediations were applied in R62 onwards and retrospectively applied in golden releases R60.2.0.214 and R57.2.0.219. Link to latest support golden releases - https://support.netskope.com/hc/en-us/articles/360014589894-Netskope-Client.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.43% (0.00425) | 34.52th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.43% (0.00425) | 36.38th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Jan 6, 2022 | 1.96% (0.01960) | 49.57th | v1 |
| Jan 5, 2022 | 0.44% (0.00444) | 29.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.44% (0.00444) | 0.00th | v1 |
References (3)
- https://airbus-seclab.github.io/advisories/netskope.html x_refsource_MISCThird Party Advisory
- https://support.netskope.com/hc/article_attachments/360033003553/Sprint_62_Release_Notes.pdf x_refsource_CONFIRMPermissions RequiredRelease NotesVendor Advisory
- https://support.netskope.com/hc/en-us/articles/360014589894-Netskope-Client x_refsource_CONFIRMPermissions RequiredVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://airbus-seclab.github.io/advisories/netskope.html | x_refsource_MISCThird Party Advisory | |
| https://support.netskope.com/hc/article_attachments/360033003553/Sprint_62_Release_Notes.pdf | x_refsource_CONFIRMPermissions RequiredRelease NotesVendor Advisory | |
| https://support.netskope.com/hc/en-us/articles/360014589894-Netskope-Client | x_refsource_CONFIRMPermissions RequiredVendor Advisory |
Change history (0)
No recorded changes yet.