Home/CVE/cPanel before 64.0.21 allows a Webmail account to execute code via forwarders (SEC-240).
CVE

CVE-2017-18437

cPanel before 64.0.21 allows a Webmail account to execute code via forwarders (SEC-240).

cPanel before 64.0.21 allows a Webmail account to execute code via forwarders (SEC-240).

MEDIUM · CVSS 4.4 EPSS 0.00121
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

5
cpanel>= 55.9999.61 and < 56.0.49
cpanel>= 57.9999.48 and < 58.0.49
cpanel>= 59.9999.58 and < 60.0.43
cpanel>= 61.9999.55 and < 62.0.24
cpanel>= 63.9999.74 and < 64.0.21
▣

Scoring & Timeline

4.4
MEDIUM · 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 · 05:15 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/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/64+Change+LogRelease NotesVendor Advisory
https://news.cpanel.com/cpanel-tsr-2017-0003-full-disclosure/Vendor Advisory
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