CVE-2017-18438
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
- Record
CVE-2017-18438- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
- Record
CVE-2017-18438- Updated
- 2026-11-02
EUVDEUVD-2017-9554 No score
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
- Record
EUVD-2017-9554- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w89v-55cw-2pm8
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
cPanel before 64.0.21 allows demo accounts to execute code via Encoding API calls (SEC-242).
- Record
GHSA-w89v-55cw-2pm8- CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-611
- 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-2017-18438 is a medium vulnerability (CVSS 6.3) in Cpanel, published August 2, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.