Security readout for executives and security teams
Plain-English summary
This flaw lets someone who already has local access on an affected cPanel server become root. That changes the business risk from one compromised hosting account or insider account to possible full server control. Public sources identify affected versions as cPanel before 78.0.18.
Executive priority
Prioritize remediation where cPanel hosts allow multiple local users or customer accounts. The vulnerability requires local access, but root escalation can turn a limited compromise into full server compromise.
Technical view
CVE-2019-14400 is a local privilege escalation in cPanel caused by userdata cache misparsing, tracked by cPanel as SEC-479. The public record states that versions before 78.0.18 are affected. No CVSS vector or CWE detail is provided in the supplied sources.
Likely exposure
Exposure is limited to systems running cPanel before 78.0.18. The attacker needs local user access, so shared hosting, multi-user administration, or previously compromised accounts increase practical risk.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Treat exploitation status as unconfirmed. The impact is serious because successful exploitation can escalate local access to root.
Researcher notes
The public data is sparse: no CVSS, CWE, detailed root cause, or exploit evidence is provided. Analysis should stay anchored to userdata cache misparsing, local privilege escalation, SEC-479, and the version boundary before 78.0.18.
Mitigation direction
- Upgrade affected cPanel installations to 78.0.18 or later.
- Review the cPanel 78 changelog for SEC-479 vendor guidance.
- Reduce unnecessary local user access on cPanel hosts.
- Prioritize shared or multi-tenant cPanel systems first.
Validation and detection
- Inventory all cPanel server versions.
- Flag any cPanel installation older than 78.0.18.
- Confirm whether untrusted local users exist on affected hosts.
- Check change records for completed cPanel updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-14400 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://documentation.cpanel.net/display/CL/78+Change+LogCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.