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Fencer Vulns
low 2.5

CVE-2017-18391 json

cPanel before 68.0.15 allows attackers to read backup files because they are world-readable during a short time interval (SEC-323).

published 2019-08-02 7 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9507

cvss
2.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

cPanel before 68.0.15 allows attackers to read backup files because they are world-readable during a short time interval (SEC-323).

Patch / fix

  • cpanel cpanel 62.0.35, 64.0.42, 66.0.34, 68.0.15

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 2.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.