CVE-2017-18388
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask...
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask (SEC-315).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask (SEC-315).
- Record
CVE-2017-18388- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask (SEC-315).
- Record
CVE-2017-18388- Updated
- 2026-11-02
EUVDEUVD-2017-9504 No score
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask (SEC-315).
- Record
EUVD-2017-9504- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fc6g-wr5m-r88v
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask...
cPanel before 68.0.15 can perform unsafe file operations because Jailshell does not set the umask (SEC-315).
- Record
GHSA-fc6g-wr5m-r88v- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-18388 is a high vulnerability (CVSS 7.8) in Cpanel, published August 2, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.