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Servers and applications

CVE-2017-18437

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

Severity
Medium 4.4
Published
2 Aug 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
56.0.49, 58.0.49, 60.0.43, 62.0.24, 64.0.21
Exploit chance
0.5% in the next 30 daysHigher than 40% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
cPanel & WHMServers and applications · cpe:a:cpanel:cpanel
  • From 55.9999.61 before 56.0.49
  • From 57.9999.48 before 58.0.49
  • From 59.9999.58 before 60.0.43
  • From 61.9999.55 before 62.0.24
  • From 63.9999.74 before 64.0.21

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-18437
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-18437