UpHeron
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Servers and applications

CVE-2017-18451

cPanel before 64.0.21 allows attackers to read a user's crontab file during a short time interval upon a cPAddon upgrade (SEC-257).

Severity
Medium 5.3
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
0.9% in the next 30 daysHigher than 59% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
cPanel & WHMServers and applications · cpe:a:cpanel:cpanel
  • From 56.0.1 before 56.0.49
  • From 58.0.3 before 58.0.49
  • From 60.0.3 before 60.0.43
  • From 62.0.1 before 62.0.24
  • From 64.0.0 before 64.0.21

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-18451
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-18451