Home/CVE/cPanel before 68.0.15 does not block a username of postmaster, which might allow reception of private e-mail (SEC-326).
CVE

CVE-2017-18393

cPanel before 68.0.15 does not block a username of postmaster, which might allow reception of private e-mail (SEC-326).

cPanel before 68.0.15 does not block a username of postmaster, which might allow reception of private e-mail (SEC-326).

LOW · CVSS 2.7 EPSS 0.00252
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

4
cpanel>= 61.9999.55 and < 62.0.35
cpanel>= 63.9999.74 and < 64.0.42
cpanel>= 65.9999.38 and < 66.0.34
cpanel>= 67.9999.64 and < 68.0.15
▣

Scoring & Timeline

2.7
LOW · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Aug 2019 · 02:15 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://documentation.cpanel.net/display/CL/68+Change+LogProductRelease Notes
https://news.cpanel.com/cpanel-tsr-2017-0006-full-disclosure/Vendor Advisory
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